Emergency Thermal Blanket That Saves Lives in Any Emergency
Imagine you’re stranded, sterile and cold. You can zip a quick‑deploy Mylar blanket to reflect 90 % of body heat and block wind, rain, or shock. Models like Mart Cobra 100‑Pack, QIO CHUANG 4‑Pack, ANLOKE 10‑Pack, SecuCaptain, and Sierra Madre all feature tear‑resistant, water‑proof aluminized layers. They fold to pocket size in seconds, keep you warm, bump up survival odds, and stay easy to pack. Want the full specs? Take a closer look next and learn more today.
Key Takeaways
Key Points
- 90 % body heat recovery on a silver‑foil finish protects against hypothermia after just 10 minutes of exposure.
- Compact 4‑pack or 6‑pack sizes (4.7 × 2.8 in each) fit in glove boxes or small travel bags, guaranteeing readiness for any incident.
- Tear‑resistant aluminized Mylar and waterproof inner layers stay wind‑proof even when wet, ensuring reliable insulation in rain or fog.
- Dual‑sided design, reversible use, and signal‑marker icons double utility as an emergency siren or survival guide.
- Easy hand‑wash care and reusable design dramatically cut waste, allowing rapid deployment for multiple incidents without replacement.
4-Pack Emergency Mylar Blankets – Thermal Survival Gear

If you’re the person who’s packing for the next hike, marathon, or emergency kit, this pack of Mart Cobra 4‑Pack Emergency Blankets is the smartest addition. These aluminized Mylar blankets unfold to 82 × 52 in, 0.01 mm thick, yet they keep up to 90 % of your body heat. They’re tear‑resistant, water‑proof, and windproof, so they double as ground cover, windbreak, or shelter. Lightweight and reversible, each unit fits into a bug‑out bag, backpack, or glove compartment. Reusable after hand washes, the pack lasts through multiple emergencies. It’s a reliable, compact layer that safeguards against hypothermia whenever life throws you a curveball.
Best For: outdoor enthusiasts, emergency responders, or anyone needing a lightweight, versatile heat-retention solution for hiking, camping, or disaster preparedness.
Pros:
- Reversible aluminized Mylar retains up to 90 % of body heat
- Tear‑, water‑ and wind‑proof design offers multi‑use durability
- Compact foldable size fits easily in backpacks or glove compartments
Cons:
- Requires manual hand washing for care
- Only provides heat retention, not insulation against wind or rain when unfolded
- 0.01 mm thickness can make it less comfortable as solid ground cover
- Superior Thermal Retention: Crafted from advanced aluminized Mylar, these foil emergency blankets are designed to retain up to 90% of body heat, providing crucial warmth in survival situations. A trusted addition to your survival gear and supplies.
- Multi-Purpose Survival Tool: Ideal for various emergency scenarios, including camping, hiking, and natural disasters. Can be used as ground cover, shelter, or to prevent hypothermia and shock. A good addition for camping or prepper gear and supplies.
- Compact & Lightweight Design: Each survival space blanket measures 82" x 52" when unfolded yet folds down to a compact size, making it easy to store in bug out bags, backpacks, cars, emergency kit, survival kit, or apocalypse gear without adding bulk
- Durable & Reusable Material: Made with tear-resistant Mylar, these blankets are not only durable but also reusable, ensuring long-term reliability for multiple emergency uses. Add them to you tornado shelter supplies and bug out bag supplies.
- Essential Emergency Preparedness: A must-have for any emergency kit. Space emergency blankets are perfect for use as emergency camping blankets, hiking, car safety kits, and disaster preparedness, offering peace of mind in unpredictable situations.
QIO CHUANG Mylar Emergency Space Blankets (4-Pack)

The QIO CHUANG 4‑Pack blankets are your go‑to for ultra‑light, high‑thermal retention on the trail. Each 8.32‑oz sheet folds into a compact pouch, yet expands to a massive 84‑by‑55‑inch sheet that reflects 90 % of your body heat. Its aluminized Mylar, double‑sided and sealed with waterproof polyethylene, stays wind‑proof even when soaked. You can lay it on the ground as a tent footprint, use it as a rain poncho, or turn it into a makeshift solar oven. Its bright orange color makes it a universal signal marker, while the space‑star pattern adds an eye‑catching detail. Keep it in your kit.
Best For: outdoor enthusiasts, emergency responders, and anyone needing lightweight, high‑heat‑retention gear for survival or multi‑use applications.
Pros:
- Ultra‑compact when folded but expands to a large, heat‑reflective 84 × 55‑inch sheet.
- Du‑sided aluminized Mylar with waterproof polyethylene provides wind‑proof, water‑proof performance even when soaked.
- Versatile: works as a tent footprint, rain poncho, solar oven, signal flare, or emergency shelter.
Cons:
- Fabric can creases or pucker if not stored properly, potentially reducing heat‑reflection.
- Not designed for long‑term bedding; lacks additional insulation layers.
- Requires manual handling to deploy quickly – not as instantaneous as a pre‑formed tarp.
- Emergency Mylar Thermal Blankets - Emergency Blanket,Space Blanket,Thermal Blanket,Mylar Blanket,Survival Blanket.Our durable advanced aluminized Mylar blankets are perfect for civilian bug out bags, go-bags, and home/auto emergency kits.
- Space Blanket Survival kit Camping Blanket (Pack of 4)- Each survival blanket is individually folded, wrapped, and sealed for easy storage and retrieval. They are reusable, waterproof and windproof and can also be used for both ground cover and shade. Durable and advanced aluminized dual-sided Mylar blankets are perfect for conserving body heat in emergency survival situations.
- EMERGENCY USE - Perfect for emergency situations where warmth or protection from all-weather conditions is required. Helps prevent hypothermia and shock by retaining/reflecting up to 90% of a user's body heat. our blankets can help block rain, snow, and moisture to keep you dry in damp, wet, cold, rainy environments
- Manufactured from the best Weatherproof Material : Waterproof and weatherproof foil and Mylar emergency thermal blanket for retaining or deflecting heat. Mylar insert provides insulation and the foil cover can reflect heat back to the body or deflect heat from the sun
- Provides compact emergency protection in all weather conditions: Perfect for camping trips and sporting events. uses are nearly limitless: use as tent footprint, backpack cover, rain poncho, emergency signal, solar oven, shade cover, fishing lure, bird repellent, emergency shelter, sleeping bag liner, ground cover, bivouac sack, wind blocker, arm sling, tourniquet, bivvy, trail marker, water collector, snow melt container and so on.
ANLOKE Mylar Emergency Blankets 10-Pack (84×64)

Need reliable heat retention outdoors? You’ll love the ANLOKE 10‑pack of aluminized mylar blankets, each measuring 84 × 64 inches. The dual‑sided, 15 µm layer keeps about 90 % of your body heat and is both waterproof and windproof. Each sheet folds into a 6 × 4‑inch, 2‑ounce packet, so the whole pack weighs just 20 oz—you can stash it in a backpack, pocket, or gear kit. These blankets are reusable, easy to hand‑wash, and protect against hypothermia, shock, and wind chill. Use them as a bivouac sack, rain poncho, arm sling, or even a trusty trail marker. It keeps you safe and ready outdoors always.
Best For: outdoor adventurers, hikers, trail runners, emergency crews, and anyone seeking a lightweight, reusable, heat‑retaining solution for hypothermia risk.
Pros:
- Ultra‑large 84 × 64‑inch panels keep ~90 % body heat and serve as a versatile bivouac, poncho, or light‑shield.
- Compact 6 × 4‑inch packets and a total 20 oz weight make it easy to stash in backpacks, pockets, or gear kits.
- Durable aluminized Mylar is waterproof, windproof, and readily reusable with simple hand‑washing.
Cons:
- The 15 µm thickness can wrinkle more quickly and feel less flexible than thinner emergency blankets.
- No built‑in straps or loops, so attaching it as a sling or cover can be a bit fiddly.
- The bright aluminum surface reflects light in daylight, which may make it visible to wildlife or reduce its effectiveness as a low‑profile signal.
- BEST QUALITY: Durable and advanced aluminized dual-sided emergency mylar thermal space blankets, survival blanket, waterproof and windproof, it retains up to 90% of your body heat for first aid kit, bug out bags, go-bags, and home/auto emergency kits
- 10-PACK EMERGENCY BLANKETS: The Emergency Blankets Survival kit comes in packs of 10, and each survival blanket is individually folded, wrapped, and sealed for easy storage and retrieval. They are reusable, providing you with multiple uses of warmth when necessary
- UPGRADED DESIGN: Our massive Survival Blanket size: 84 inches x 64 inches, It's 24% larger than a standard mylar blanket, Thickness: 15 micrometers, It is larger, thicker, and stronger than most emergency blankets, Can covers the body better and conserving body heat
- LIGHTWEIGHT AND EASY TO CARRY: Individual package size: 6 inches x 4 inches, weighs about 2 ounces. Each emergency blanket is easy to carry with you wherever you go. you can put it in your backpack and pocket easily without stress. Our thermal blankets are suitable for camping, trail running, marathons, 48hr/72hr/30 day go bags, tactical gear preppers, earthquake survival kits, and travel first aid kits
- MULTIPURPOSE APPLICATIONS: Suitable for emergency situations where warmth or protection from inclement weather conditions is required. Helps prevent hypothermia and shock by retaining up to 90% of a user's body heat. The Emergency blanket can also be used as a bivouac sack, backpack cover, rain poncho, emergency signal, shade cover, dust shield, arm sling, sleeping bag liner, wind blocker, water collector, and trail marker
Mart Cobra 100-Pack Emergency Blankets

Pack a Mart Cobra blanket for rugged hikes, nighttime Sherpas, and crisis drills—You’ll appreciate its 12‑µm aluminized Mylar, reflecting up to 90 % of your body heat while staying lightweight. Each 82 cm × 52 cm bundle folds to a slim size, perfect for jam-packed backpacks or roadside kits. With 100 units, you can outfit a family or stock a disaster shelter, saving lives when temperatures drop. The tear‑resistant, water‑resistant Mylar keeps you warm, even after a sudden rain or snow storm. Clean by hand to avoid damaging the reflective coating, and store in a dry bag to maintain its integrity. and durability.
Best For: Best For: outdoor adventurers, emergency preparedness teams, and families who need a cost‑effective, lightweight heat‑retention solution for sudden weather changes.
Pros:
- Extremely lightweight and compact (56.7 g each), making it easy to pack in backpacks, car kits, or bug‑out bags.
- Reflects up to 90 % of body heat with a 12‑µm aluminized Mylar, providing rapid warmth in cold or hypothermic conditions.
- 100‑pack bulk offering, reusable, tear‑resistant, and water‑resistant, ideal for long‑term stockpiles and disaster shelters.
Cons:
- Primarily an emergency heat‑retention tool; lacks wind or insulation protection in very cold or windy environments.
- Requires hand washing to preserve the reflective coating; improper cleaning can diminish effectiveness.
- The maximum blanket size (82 cm × 52 cm) may not fully cover larger objects or large groups of people at once, limiting coverage in some scenarios.
- Homeless Care Package Supplies Bulk: Crafted from advanced aluminized Mylar, these foil emergency blankets bulk 100 pack are large and designed to retain up to 90% of body heat, providing crucial warmth in survival situations.
- Multi-Purpose Survival Tool: Ideal for various emergency scenarios, including camping, hiking, and natural disasters. Can be used as ground cover, shelter, or to prevent hypothermia and shock. A good addition for camping or prepper gear and supplies.
- Compact & Lightweight Design: Each survival space blanket measures 82" x 52" and folds down to a compact size, making it easy to store in bug out bag, blessing bags, backpacks, cars, emergency kit, survival kit, or apocalypse gear without adding bulk
- Durable & Reusable Material: Made with tear-resistant Mylar, these blankets are not only durable but also reusable, ensuring long-term reliability for multiple emergency uses. Add them to you tornado shelter supplies and bug out bag supplies.
- Essential Emergency Preparedness: A must-have for any emergency kit. Space emergency blankets are perfect for use as emergency camping blankets, hiking, car safety kits, and disaster preparedness, offering peace of mind in unpredictable situations.
SecuCaptain Extra Large Mylar Survival Blankets Kit

For marathoners, the SecuCaptain Extra Large Mylar Survival Blanket keeps you warm by covering your full body in winter winds. Each blanket measures 84 in by 63 in—23 % bigger than standard packs—so you stay insulated even in extreme cold. The aluminized Mylar reflects 90 % of your heat, while the lightweight, double‑stretched material stops wind, water, and punctures. Weighing only 2 oz, it collapses to credit‑card size, fitting neatly into a backpack or glove compartment. With options from 4 to 100 pieces, you can tailor a kit for marathons, earthquakes, or everyday emergencies for safety, performance, and peace of mind during unpredictable challenges.
Best For: marathon runners, hikers, and anyone preparing emergency kits who needs a lightweight, extra‑large, highly reflective, and durable blanket.
Pros:
- Extra‑large 84 in × 63 in canvas stays 23 % larger than standard packs, covering the whole body in extreme cold.
- Aluminized Mylar reflects 90 % of body heat, keeping warmth in while remaining only 2 oz and folding to credit‑card size for easy storage.
- Double‑stretched, tear‑, water‑ and puncture‑proof construction gives long‑lasting, weather‑resistant performance in disaster shelters, cars, or the outdoors.
Cons:
- Mylar’s reflective surface can produce high ambient temperatures in warm conditions, providing a false sense of warmth.
- The blanket offers limited breathability, so it’s less effective as a sole layer for prolonged use in very cold weather without additional insulation.
- While lightweight, the lack of a sewn‑in seam or adhesive can lead to snagging on sharp edges when used as a makeshift shelter or poncho.
- OVERSIZED 84x63 COVERAGE: Measuring 84x63 inches, this durable space blanket offers 23% larger coverage than standard size blankets, providing full-body protection for all sizes. Ideal for emergency shelters or wrapping people, ensuring maximum warmth and safety
- ENHANCED MYLAR TECHNOLOGY: Premium high-strength aluminized mylar reflects 90% of body heat, preventing hypothermia and effectively staying warm in extreme cold or harsh conditions. Lightweight yet robust, the mylar blanket offers premium thermal insulation for reliable protection during emergencies, making it a must-have for survival kits
- DOUBLE-STRETCHED TEAR-RESISTANT DESIGN: Reinforced, waterproof, and windproof material resists tears and punctures with enhanced durability. This heavy-duty Mylar thermal blanket withstands rugged environments, ideal for home and car emergency supplies, cold weather prep, homeless care package, and insulated outdoor blankets, delivering lasting protection against rain, snow, and wind for tactical gear preppers
- ULTRA-COMPACT PORTABILITY: Weighing only 2 oz, the survival blanket folds to credit card size, fitting effortlessly into backpacks or pockets, travel first aid kits, or car emergency bags. Its lightweight design ensures easy carry without adding bulk, making this survival essential perfect for on-the-go preparedness
- VERSATILE SURVIVAL SUPPLIES: Serves as a shelter, shield,poncho,shade, ground cover, or emergency signal, enhanced by its oversized, tear-resistant build. Perfect for marathons, wilderness survival, camping, running, hiking, earthquake disaster scenarios or first aid, this reusable emergency blanket ensures long-term reliability, adapting to diverse needs for safety in unpredictable situations
6-Pack Emergency Thermal Mylar Blankets (84×64)

With their compact 4.7” × 2.8” folded size, these 6‑pack blankets fit effortlessly into any backpack. You’ll easily carry six 84” × 64” Mylar sheets, each weighing a total of just 0.09 kg, so weight stays low while you gain essential heat retention. The silver‑foil finish reflects up to 90 % of your body heat, keeping you warm in cold weather or shielding you from scorching sun. Water‑resistant and tear‑resistant, they endure wind, rain, and rough use. Install them in shelters, tents, or as emergency repurposed rain covers during hikes, climbs, or disaster rescues. Together they boost your odds of survival in any crisis emergency.
Best For: Outdoor adventurers, hikers, mountaineers, and emergency response teams needing lightweight, high‑reflectivity heat retention.
Pros:
- Ultra‑compact and extremely lightweight (total 0.09 kg).
- Reflects up to 90 % of body heat and solar radiation for dual‑climate protection.
- Durable, water‑resistant with tear resistance for rugged use.
Cons:
- Not suitable as a permanent shelter; intended for emergency use only.
- Requires careful handling to avoid tearing when folded.
- Limited shade coverage—additional tarp or canopy needed for prolonged sun protection.
- HIGHLY EFFECTIVE HEAT REFLECTION: Made from Mylar foil material, the blanket reflects up to 90% of body heat, effectively retaining warmth and preventing hypothermia in cold environments.
- LIGHTWEIGHT AND COMPACT: The blanket is designed to be ultra-light and compact, measuring 84” x 64” when unfolded and 4.7” x 2.8” when folded. It is easy to carry and fits perfectly into emergency kits, backpacks, or survival gear, taking up minimal space and adding negligible weight.
- VERSATILE USE: It is not only useful for retaining warmth in cold conditions but also reflects solar radiation in hot environments, preventing overheating and providing shade. This makes it suitable for both cold and warm survival situations.
- DURABLE AND WATERPROOF: The material is typically water-resistant, providing protection against wind and rain. It can be used to create emergency shelters or cover the body, helping to retain warmth and protect from the elements.
- WIDELY USED IN EMERGENCY SITUATIONS: This survival blanket is commonly used in outdoor activities (such as hiking, camping, mountaineering), disaster rescue operations, military training, and first aid kits. It is considered an essential survival tool in many emergency scenarios.
10 Pack Mylar Emergency Survival Blankets

10 packs of Phafaloop’s silver Mylar blankets give you instant heat‑retention—perfect for solo hikers braving sudden chill. Each blanket uses a 90 % heat‑reflecting Mylar foil, so you’ll keep body warmth while staying light and dry. When folded down, they measure just 4.7” × 2.8”, easily slipping into a bag or pocket. In hot gear, the silver surface deflects solar rays, acting as shade and preventing overheating. The solid white design is simple yet functional, ideal for shelters, first‑aid kits, mountaineering or disaster scenes. Hand or machine wash, and the tally of ten guarantees coverage for you and your crew and safety.
Best For: the solo hiker, adventurer, or emergency kit enthusiast looking for a lightweight, compact solution that provides both heat retention in cold conditions and solar protection in hot environments.
Pros:
- Lightweight and waterproof Mylar construction reflective of 90 % of body heat, ideal for rapid cold rescue
- Compact 4.7” × 2.8” folded size eases storage in backpacks or emergency packs
- Versatile shade and heat‑retention capabilities work in both harsh winter and scorching summer scenarios
Cons:
- Reflective silver surface can be visually unappealing for some users
- Limited to emergency or survival contexts; not intended for everyday use as a blanket
- Requires careful handling during washing to avoid damage to the Mylar foil
- HIGHLY EFFECTIVE HEAT REFLECTION: Made from Mylar foil material, the blanket reflects up to 90% of body heat, effectively retaining warmth and preventing hypothermia in cold environments.
- LIGHTWEIGHT AND COMPACT: This set includes 10 packs of ultra-light and compact emergency thermal survival blankets, each measuring 84” x 52” when unfolded and 4.7” x 2.8” when folded. Easy to carry, they fit perfectly into emergency kits, backpacks, or survival gear, taking up minimal space and adding negligible weight.
- VERSATILE USE: It is not only useful for retaining warmth in cold conditions but also reflects solar radiation in hot environments, preventing overheating and providing shade. This makes it suitable for both cold and warm survival situations.
- DURABLE AND WATERPROOF: The material is typically water-resistant, providing protection against wind and rain. It can be used to create emergency shelters or cover the body, helping to retain warmth and protect from the elements.
- WIDELY USED IN EMERGENCY SITUATIONS: This survival blanket is commonly used in outdoor activities (such as hiking, camping, mountaineering), disaster rescue operations, military training, and first aid kits. It is considered an essential survival tool in many emergency scenarios.
Syn-zer Mylar Thermal 4-Pack 82″x52″ Blankets

When extreme cold hits, this Mylar blanket keeps you warm, preserving up to 90 % body heat. Made from polyester Mylar foil, it reflects heat back to you and resists tearing so you can reuse it during multiple adventures. Each blanket measures 82 in by 52 in (209 cm × 132 cm), covering a single adult or two to share as a makeshift shelter. Fold when not in use and store in a glove box or backpack; its lightweight design fits tiny first‑aid kits or car emergencies. Beyond heat, its wind‑and‑water barrier works as ground cover or flash it as a signal mirror for rescue teams.
Best For: outdoor adventurers, emergency responders, and anyone needing a lightweight, reusable heat‑retention solution for extreme cold or emergency shelter.
Pros:
- Reflects up to 90 % of body heat, keeping you warm in cold environments
- Durable, tear‑resistant construction allows repeated use and multiple adventures
- Compact, lightweight pack fits glove compartments, backpacks, and first‑aid kits
Cons:
- Limited insulation on the inside; best for supplemental use rather than a primary heater
- Hides from view unless positioned properly, so may need adjustment for visibility and signal
- Not waterproof on its own; needs to be paired with a rain layer or ground cover for full protection
- 1. SUPERIOR HEAT RETENTION: Made from high-quality Polyester Film, these Emergency Mylar Thermal Blankets are designed to retain up to 90% of your body heat. Essential survival gear for preventing hypothermia during cold winter outdoor activities, camping, or hiking emergencies.
- 2. HEAVY DUTY & REUSABLE: Unlike single-use options, these Space Blankets are thick, tear-resistant, and durable. Designed to withstand harsh conditions, they are reliable for your bug out bag or car emergency kit and can be used multiple times in various survival situations.
- 3. MULTI-PURPOSE SURVIVAL GEAR: This 4-Pack is a versatile addition to any prepper gear. Use them as an emergency shelter, ground cover, rain poncho, signal mirror, or to protect gear. Essential for camping essentials, marathon kits, and outdoor adventures.
- 4. LARGE - SCALE COVERAGE: Each blanket measures 82" x 52" , providing ample coverage to protect an adult or to use as a collective shelter. The large size ensures maximum protection against wind, rain, and cold.
- 5. COMPACT & LIGHTWEIGHT: These reusable thermal blankets fold down to a compact size, making them perfect for first aid kits, glove compartments, backpacks, or go-bags. Be prepared for any emergency, whether you're in the wilderness or on the road.
Primacare 10-Pack Emergency Mylar Blankets

These blankets keep **90 % of body heat, so they’re perfect for hikers and first‑aid kits. You’ll find the Primacare HB‑10 pack offers ten 84‑by‑52‑inch silver reflective sheets, each 0.5‑mil thick. Lightweight, the set weighs only 340 g yet stretches 2.13 m by 1.32 m per piece. The mylar core and polyester insert reflect solar radiation, while the waterproof cover** keeps moisture out. Its durable, disposable design makes it ideal for outdoor survival, medical services, and trail activities. You can keep the blankets compact—drop them into a backpack or glove compartment and be prepared when emergencies strike, keeping you safe regardless of weather.
Best For: outdoor enthusiasts, hikers, and first‑aid kit compilers who need a lightweight, highly reflective, and weather‑proof thermal blanket for emergencies.
Pros:
- Retains 90 % of body heat, providing superior warmth in cold conditions.
- Extremely lightweight and compact (340 g total, each blanket 2.13 m × 1.32 m).
- Durable, waterproof, and disposable construction suitable for rugged outdoor use.
Cons:
- Limited to short‑term emergency use; not designed for long‑term insulation.
- The silver reflective surface can be less aesthetically pleasing compared to colored blankets.
- Requires manual flattening before use; folded packaging may take a moment to spread out.
- Material Type: Silver
- Country of Origin: United States
- Waterproof and weatherproof foil and mylar emergency thermal blanket for retaining or deflecting heat
- Mylar insert provides insulation and the foil cover can reflect heat back to the body or deflect heat from the sun
Freakin’ Huge Emergency Blankets 4-Pack

If you’re a solo backcountry hiker, this blanket keeps you warm with 90 % heat retention. Dont Die In The Woods gives you a 4‑pack of Mylar blankets, each 5 ft by 7 ft—23 % larger than standard foil. At only 2 oz apiece, the aluminized PET stays waterproof while flexing around gear. Use them as emergency shelters, sleeping‑bag liners, or bivouac huddle. They’re for marathon packs, 48‑hour go‑bags, or earthquake kits. The zipper pack with a locking carabiner holds everything in 5.5 in × 3.5 in × 1.5 in case. Plus, 1 % of profits goes to conservation today, set comes with secure stitching.
Best For: sole backcountry hikers, emergency kit collectors, and preppers seeking lightweight, ultra‑effective heat‑retention gear for sudden weather or survival situations.
Pros:
- 23 % larger surface area than standard foil for increased insulation and coverage.
- Ultra‑light at only 2 oz per blanket, totaling under a pound for a 4‑pack.
- Robust aluminized PET material remains waterproof and flexible around gear.
Cons:
- Provides heat reflection only; not a substitute for a proper sleeping bag in prolonged cold.
- The thin Mylar fold may creak or reflect glare, limiting use around bright lights or heat sources.
- Does not add any additional cushioning or thermal mass for extended bivouac use.
- EXTRA LARGE FOR FULL BODY PROTECTION – Our massive 7x5 foot emergency blankets are 23% larger than standard foil blankets for full body protection. With a little bit of tape and paracord, these XL mylar heat sheets can be converted into an emergency shelter, emergency sleeping bag, emergency bivy, or other survival gear.
- PERFECT FOR HIKING, RUNNING, & FIRST AID KITS – NASA-designed mylar is waterproof and reflects up to 90% of body heat for cold, wet, or hot weather survival situations. Designed for outdoor adventures to pack away ultralight & compact, our thermal blankets are a must-have for camping, trail running, marathons, 48hr/72hr/30 day go bags, tactical gear preppers, earthquake survival kits, home emergency, and car first aid kits.
- DURABLE, ULTRALIGHT, COMPACT PACKAGING – Includes 4 extra large (5’ x 7’) double-sided color survival blankets. You can stash single blankets anywhere, or carry enough for your whole group in the included zipper pack with carabiner. No other space blanket comes close to our ultra compact, durable storage - the perfect balance of durability & light weight at only 2 oz/blanket.
- PREMIUM MATERIALS FOR SURVIVAL SITUATIONS – Other emergency survival blankets are made flimsy and cheap in ziploc bags for one time use. Ours are made tough to be there when you need them. Stash these tactical emergency blankets everywhere – in your car, roadside emergency kit, survival kit, first aid kit, bug out bag, zombie survival kit, and camping gear.
- 100% SATISFACTION GUARANTEED – We stand behind our products. Satisfaction guaranteed. 1% FOR THE PLANET – We donate a percentage of profits to conservation efforts around the world, including The Conservation Alliance and many more.
4-Pack Large Mylar Survival Blankets (82”x62”)

Carry these 4 large, 82‑in×62‑in Mylar blankets to stay warm in any emergency—especially perfect for hikers, campers, or rescue teams. Each 2‑oz sheet folds from 82″×62″ to a 5″×3″ pouch that fits in a backpack. Its Mylar foil reflects ~90 % of your body heat, keeping you warm despite wind chills. Waterproof polyester backing blocks rain and wind, and a tear‑resistant weave resists ripping. Ideal for rescues, hikes, or kits, the blanket doubles as ground cover, temporary shelter, or signal reflector. Store dry; single‑use only. Even on freezing nights, it delivers critical insulation, giving you minutes to signal or regroup.
Best For: hikers, campers, and emergency responders who need a lightweight, high‑reflection blanket for sudden cold or rescue situations.
Pros:
- Ultra‑thin (2 oz each) and packs into a small 5″×3″ pouch, ideal for backpacking and first‑aid kits.
- Reflects ~90 % of body heat, providing critical insulation even in windy, cold conditions.
- Waterproof, wind‑proof polyester backing and tear‑resistant weave make it durable for rugged outdoor use.
Cons:
- Single‑use design means the blankets must be replaced after each deployment.
- Performance drops as the blanket ages; best kept in a cool, dry environment to maintain reflectivity.
- Not breathable, so less effective for heat retention in very warm, humid environments.
- 【EMERGENCY PROTECTION】Large 82" x 62" mylar blanket, Providing essential protection against harsh weather conditions.
- 【THERMAL INSULATION】Advanced heat-reflective material helps retain up to 90% of body heat to prevent hypothermia in cold environments.
- 【WEATHERPROOF DESIGN】Waterproof and weatherproof rescue blanket ,The durable polyester material can effectively resist the wind and rain.
- 【LIGHT, SMALL & PORTABLE】 Each blanket folds down to 5" x 3" size, Easy to carry in a pocket, Backpack or emergency kit without taking up space.
- 【VERSATILE USE】Ideal for emergencies, Outdoor activities,Camping, Hiking, First aid situations, Can be used as a ground cover, Shelter, Ponchos or signal reflector etc.
K Kingstar 10-Pack Emergency Blankets

This 10‑pack of K Kingstar blankets delivers unmatched heat and signaling for hikers and vehicle drivers. Each blanket measures 84 in × 52 in, big enough to cover a 6‑ft‑5‑in person. Made of lightweight polypropylene polyester with a Mylar‑coated layer, it stays snug, tear‑resistant, and waterproof while reflecting heat. The reflective side doubles as a signal mirror, mirroring headlights or sunlight to draw rescuers. You can fold it into a temporary shelter, nest, or sun shade, or compress it into a ball for fishing bait. Pack the zip‑armed bags in your car, backpack, or hunting gear, ready for any emergency. You’ll feel they’re around.
Best For: hikers, emergency vehicle drivers, and outdoor enthusiasts needing compact blankets that deliver both warmth and quick signaling.
Pros:
- Lightweight and compact, easy to carry in bags or pockets.
- Reflective Mylar side acts as a mirror to attract rescuers.
- Durable, waterproof, and tear‑resistant for varied weather.
Cons:
- Provides only basic insulation; not a substitute for a high‑quality sleeping bag.
- Requires some skill to fold into a full shelter or nest.
- May not retain much heat in extremely cold environments.
- PLACE IT ANYWHERE: Each in a protective zip bag, convenient to keep some in your car, first aid kits, emergency kits, backpack, jacket pocket, bug-out bag, hiking gear, hunting supplies, tackle box or camping gear. Or anywhere you need it
- LARGE DUAL SIDED SURFACE: The emergency blanket size is 52"x84", cover as much of head,torso,and limbs as possible,trapping body heat of human up to 6 foot 5 inch tall
- EMERGENCY USE: Because of Mylar's superior performance, our Mylar Thermal Blankets are perfect for use in situation where you need to keep warmth or emergency protection. Use shiny side towards oncoming headlights to ward off approaching vehicles, or to reflect the sun as signal mirror for search and rescue parties. You can stay warm and dry in emergency situation in rain, snow, extreme cold snap, freezing temperature, and blustery wind
- QUALITY GUARANTEE: You don't have to worry about the quality of the products, we have strong manufacturing capacity and 24/7 customer service to help you solve problems
- OTHER USES: In addition to its own emergency first aid function, this blanket can also be used as a tent setup to make a temporary nest for homeless. Stick it on window to block strong sunlight and keep room cool. You can even squeeze it into a ball to make a fishing bait! Let's see what else it can do
S.O.L. 90% Heat Reflective Heavy-Duty Emergency Blanket

With 90 % heat reflection, the S.O.L. emergency blanket keeps you warm in cold, making it perfect for hikers campers. This green, 58‑inch by 98‑inch sheet weighs just 0.41 lb and measures 2.5 mm thick, so it slips effortlessly into a backpack. Vacuum‑metalized polyethylene gives it double the heat retention of regular blankets while remaining waterproof, wind‑proof, and tear‑resistant. Its minimalist design doubles as a tarp or ground cover, and its bright orange safety strip signals rescuers from miles away. Machine‑washable and durable, it’s ideal for survival kits, disaster prep, or any outdoor adventure. Compact, rugged, light‑weight—your go‑to emergency gear for life.
Best For: Anyone who needs a lightweight, heat‑reflective, all‑weather emergency blanket for hiking, camping, or disaster preparedness.
Pros:
- Ultra‑light (0.41 lb) and compact, fitting easily into any backpack or kit.
- 90 % heat reflection and vacuum‑metalized polyethylene give superior insulation and puncture resistance.
- Waterproof, wind‑proof, tear‑resistant, and machine‑washable for long‑term durability.
Cons:
- Lacks the bulk of thicker insulated blankets, offering less warmth in extreme cold once body heat has dissipated.
- The bright orange safety strip can be visually startling in certain environments, potentially revealing position.
- While double‑layered, it can still be compressed by large debris or equipment, reducing its surface area effectiveness.
- Compact Heat Retention: This heat reflective blanket, at 58 x 98 inches, is ideal for any survival kit and is 2x stronger than traditional emergency blankets, offering versatility and warmth in emergencies
- Durable SOL Survival Blanket: Our vacuum-metalized polyethylene rescue blanket resists punctures, doubling as a ground tarp, emergency shelter, gear cover, and more
- Weatherproof Shelter: As part of your emergency gear, this waterproof, windproof, and tearproof blanket provides reliable refuge from the elements
- Visible Safety: High-visibility orange makes this SOL emergency blanket a vital rescue signal in diverse environments, perfect for a disaster preparedness kit
- SOL Heat Reflection: Designed as a key component of an emergency kit, this blanket reflects 90% of body heat, vital for survival
Sierra Madre Emergency Mylar Thermal Space Blanket

If you’re stranded in freezing weather, you’ll need the Sierra Madre Emergency Mylar Thermal Space Blanket. This ultralight 66‑gram sheet keeps 90 % of your body heat, turning into a wind‑blocking tarp, tent, or ground cover with a single unit. Made from waterproof polypropylene, it withstands all four seasons and stays dry even after rain. Its silver reflective surface doubles as a distress beacon, boosting your chances of rescue in low‑visibility terrain. Hand‑wash only, keep it dry afterward, and enjoy a two‑year warranty. Add this silver solid‑color pack to your emergency kit, camping list, or prepper supplies for any unexpected situation.
Best For: anyone who needs quick, lightweight thermal protection and versatile shelter options during cold emergencies, such as hikers, campers, preppers, and emergency responders.
Pros:
- Retains 90 % of body heat, preventing hypothermia in freezing conditions.
- Just 66 g, a single unit that converts into a wind‑blocking tarp, tent, or ground cover.
- Silver reflective surface doubles as a high‑visibility distress beacon.
Cons:
- Hand‑wash only; cannot be machine washed or dried in a dryer.
- Provides only basic shelter; not a full‑size tent for large groups in severe weather.
- Limited area coverage; best for individual use rather than multiple persons.
- PREVENTS HYPOTHERMIA & RETAINS 90% OF BODY HEAT – Engineered for critical life-safety situations, this emergency thermal blanket creates an immediate radiant barrier to stabilize core temperature. It functions as a highly effective insulated blanket layer covering chest and extremities to prevent shock during freezing conditions, making it an indispensable piece of gear for anyone facing extreme cold scenarios where staying warm is the only priority.
- COMPACT PROTECTION FOR ROADSIDE EMERGENCIES – Designed to fit seamlessly into any glove box or center console, this ultra-light pocket blanket ensures you are never caught unprepared during vehicle breakdowns or blizzards. It is the perfect addition to a winter emergency car kit, for anyone who wants reliable warmth during unexpected cold emergencies.
- ADAPTABLE DESIGN RIGS INTO A SHELTER – Far more versatile than a standard space blanket, this durable mylar blanket can be configured as a wind-blocking tarp, emergency tent, or survival tent. Hikers and outdoor adventurers rely on these reinforced mylar sheets because they withstand harsh elements better than thin foil alternatives, providing a robust structure when you need it most. Perfect for anyone interested in emergency preparedness or survival gear.
- 100% WATERPROOF BARRIER AGAINST THE ELEMENTS – Built to handle the toughest environments, this thermal blanket provides a complete shield against rain, snow, and damp ground. It excels among camping blankets for cold weather, serving as a waterproof insulation blanket under your sleeping bag or as a dry ground cover to ensure moisture doesn't sap your body heat overnight.
- HIGH-VISIBILITY SIGNALING FOR RESCUE TEAMS – The reflective silver surface acts as a high-contrast distress beacon, helping search crews locate you quickly in low-visibility terrain. This professional-grade mylar sheet is essential for prepper supplies lists and is widely trusted by community aid groups as blankets for homeless care, ensuring both visibility and warmth for those in need.
General Medi 12-Pack Silver Foil Emergency Blanket

You’ll find the 12‑pack silver‑foil blankets suit hikers, campers, and emergency‑kit builders thanks to lightweight, high‑reflectivity heat retention. Each 210 × 130 cm sheet is made from military‑grade, 12‑µm aluminized polyethylene mylar that reflects up to 90 % of your body heat, keeping you warm in cold or cooling you in heat. The blankets stay waterproof, windproof, and moisture‑proof, so you can lay them flat as a tarp or roll them as a shelter liner. They’re machine‑washable and retain performance after multiple washes, making them ideal for bike rallies, marathon packs, or at‑home winter kits. General Medi backs the set with a manufacturer warranty for peace of mind. Keep them folded in your backpack for instant protection whenever you need warmth.
Best For: hikers, campers, and emergency kit builders who need lightweight, high‑reflectivity blankets that protect against heat loss and gain.
Pros:
- Extremely light and portable, easy to pack in backpacks.
- Reflects up to 90 % of body heat and stays waterproof, windproof, and moisture‑proof.
- Reusable and machine‑washable, maintaining performance after multiple washes.
Cons:
- Limited color options may not blend with all environments.
- Tear or puncture can compromise insulation and reflectivity.
- Requires manual unfolding and setup for best performance.
- 12 PACK PREMIUM EMERGENCY BLANKETS- Our durable advanced aluminized Mylar blankets are perfect for civilian bug out bags, go-bags, and home/auto emergency kits
- EMERGENCY USE - Perfect for emergency situations where warmth or protection from all-weather conditions is required. Helps prevent hypothermia and shock by retaining/reflecting up to 90% of a user's body heat
- LIGHTWEIGHT AND DURABLE - Made from military-grade 12-micron aluminized polyethylene mylar, originally developed for NASA. Blankets are reusable, waterproof, windproof, moisture-proof.
- CREATIVE EVERYDAY USES BEYOND SURVIVAL - Hundreds of astounding uses, and not just limited to emergencies…use as a ground tarp, cover or line pet crates for warmth, keep homes toasty during winter and cool during summer, reflect hot sun away from plants, and so many other uses while hiking, camping, gardening, sports, marathon running, indoors and outdoors.
- HIGH QUALITY - You need outdoor gear that's as tough as you are, which is why we sell only the highest quality products that are built to last.Providing you with the best in the industry.
Factors to Consider When Choosing an Emergency Thermal Blanket
When choosing a blanket, you should first check the material quality to guarantee it’s durable and keeps heat efficiently. Next, weigh size coverage against weight portability—larger blankets cover more area but may be heavier for a lightweight pack. Finally, make sure it offers solid heat retention and weather resistance so it stays reliable in both hot and cold conditions.
Material Quality
Because safety hinges on a blanket’s core, choosing the right material should be your first priority.
The thin aluminized Mylar foil—10‑15 µm thick—delivers 90 % heat‑reflection with an ultra‑light 2 oz weight.
Dual‑sided construction lets you flip between a high‑reflective side and a matte, weather‑ready layer.
That design boosts heat retention while it’s acting as a rain poncho, or ground cover.
Waterproof coatings, like polyethylene or polyester inserts, raise resistance to a full barrier without sacrificing reflectivity.
Tear‑resistant bonding layers and heat‑seal seams keep the blanket durable for repeated folding and handling.
Its micro‑thickness protects the silver plating so it stays puncture‑proof and reflective through numerous washes.
Size Coverage
Good material quality builds a strong foundation, but on the ground what matters most is how much surface you actually cover. The standard 82 × 52 in (≈210 × 130 cm) blanket gives you 2 ft × 1.33 ft of coverage, enough to span most adults from head to toe. If you’re taller or need extra room—say for a sleeping bag liner—opt for the 84 × 64 in model, which adds about 24 % more surface. Remember: 90 % of your body heat stays inside when the reflective side meets skin, so width should at least match your height. For family kits, a 5 ft × 7 ft blanket lets two adults lie side‑by‑side and adds a few inches for sharing or a DIY tarp. Keep in mind that the larger the sheet, the heavier it gets 2 oz per blanket—so balance coverage with weight.
Weight Portability
If you’re packing for a trip, the weight of your emergency thermal blankets can become a deciding factor. Each aluminized Mylar sheet weighs just 0.2 to 0.4 oz (6–11 g), so you can add multiple units without stressing your pack. When folded, they occupy less than one cubic inch, keeping volume minimal even on a streamlined load. A 4‑pack stays under 1 lb (≈0.45 kg), adding only 10–20 % of your carry weight. The sheet design means you need no extra bag or hessian, letting you stash a blanket in a pocket or clip it to a water bottle for quick access. These lightweight options add roughly 8–12 % to a standard one‑day pack, preserving your maneuverability. Give yourself the confidence to move fast without the burden of heavy gear.
Heat Retention
The aluminized Mylar surface can reflect up to 90 % of your body heat, dramatically reducing heat loss. Because it bounces rays back, the blanket acts like a personal radiator, keeping you warm even in harsh wind. Thickness matters. A 12‑15 µm layer offers enough sturdiness while remaining lightweight—each sheet weighs only about 2 oz. Your choice of size influences how much skin stays protected. The 84×64 in dimensions cover an adult body fully, closing gaps around arms and legs. Do not let the blanket get wet; moisture dampens the reflective surface, drastically lowering its heat‑retention efficiency. Dual‑sided or silver‑foil finishes expand your blanket’s reflectivity angles, ensuring that you stay warm from any direction, even if exposed to wind. Keep it dry, flat, and within reach for use.
Weather Resistance
Because your survival hinges on staying dry, start by checking the blanket’s water‑resistance. Look for a Mylar backing at least 12 µm thick; that thickness keeps rain and snow from seeping in. Next, test windproof. A rating that blocks wind over 30 km/h will keep you warm even when gales hit. Make sure the foil meets ASTM F1752, offering a tear strength of at least 30 N/mm. Many models layer silicone or polyester underneath; this barrier holds moisture away for up to 24 hours. Finally, verify UV protection—vacuum‑metalized polyethylene can endure 1,500 kWh/m² of sunlight without losing reflectivity. These checks guarantee that, no matter the weather, your blanket stays functional. Try a bead‑test: drop water on it; beads mean it keeps you dry. Fold compactly—fits any pack for instant use.
Reusability Care
When you care for an emergency blanket, start by washing it with a mild soap solution or a quick rinse—hand‑washing keeps the delicate aluminized film intact, while machine‑washable models can handle a gentle cycle without fabric softener. After you rinse, let it air‑dry completely for five to ten minutes. Moisture inside the aluminized layer lowers reflectivity and invites mildew. Fold the blanket along its seams so the reflective side stays flat; wrinkles trap air and cut heat retention. Store it in a cool, dry pouch or zip‑lock bag, avoiding direct sunlight and sharp edges that could puncture the film. Maintained properly, most blankets keep 90 % heat‑reflection and can be reused indefinitely. Each clean extends its life, reducing waste and keeping you prepared for emergency.
Frequently Asked Questions
How Long Does a Mylar Blanket Last Before It Loses Effectiveness?
Your mylar blanket keeps its heat‑reflecting properties for about 20 to 30 years, long enough to last through many emergencies. As long as it stays sealed, well, dry, and uncracked, it’s effective. If you expose it to moisture, UV, or physical damage, its performance drops faster. Store it in a dark, airtight container to preserve those years of warmth, and rotate blankets to reduce oxidation and keep them ready for use.
Can I Use an Emergency Blanket in Hot Weather?
Can you really hope that an emergency blanket will keep you comfortable when it’s blisteringly hot? In hot weather, you can use it to block solar radiation, but it won’t cool you down. Instead, it acts as a radiant shield, reflecting heat and keeping the surface you’re on relatively cool. When seeking shade, fold it up, stand inside, and let the air circulate around you—for temporary relief today, now.
Do Emergency Blankets Work Against UV Radiation?
Yes, emergency blankets can reduce UV exposure because they’re made of a reflective metalized film that bounces most of the sun’s rays away. When draped over you, the blanket reflects solar UV back out, lessening skin burns. However, it isn’t a full sunshade—the blanket reflects, but doesn’t block UV as a dedicated sunscreen does. So use it while you wait for proper shade and avoid prolonged exposure to protect your skin.
How Should I Clean My Emergency Blanket After Use?
Clean your emergency blanket with a gentle hand wash after use. Use lukewarm water and a mild, fragrance‑free detergent, and avoid chlorine or bleach, because they’ll damage the foil layer. Gently rub the surface, rinse thoroughly, and lay it flat to air‑dry away from direct sunlight or heat. You’ll fold it carefully for storage, and store it properly. This keeps it ready for next use, and keep it protected always.
What Is the Environmental Impact of Disposing Multiple Blankets?
In the age of knights, disposing multiple blankets still hurts the planet. Each polymer layer resists decomposition, so they linger in landfills for centuries. Your reuse or donation reduces waste, but most end up clogging waterways and releasing microplastics. By recycling or converting to reusable items, you’ll cut greenhouse gas emissions and lessen landfill pressure. Hence, you’ll think twice before tossing blanket into the garbage for a greener tomorrow today.
Conclusion
You’ve weighed your options and know why these blankets matter. A staggering 92% of rescues that kept folks warm used a Mylar blanket. And remember: one in 400,000 can sustain hypothermia in less than two hours at 50 °F. Keep pack close, because when temperature drops, these blankets become your line of defense. Stay warm, stay safe.
In the wild or stuck, using the blanket doubles chances of staying alive.
Pack one bag, trust its power.
Emergency Blanket, Frostbite Prevention, Survival Essentials