EMERGENCY PROTECTION. WHEREVER YOU NEED IT.

Mart Cobra Emergency Blankets keep lightweight, versatile emergency protection within reach — at home, in your vehicles, and wherever your family goes.

Built With Reflective Thermal Mylar Technology:

Reflective Thermal Mylar — Hot or Cold
Windproof & Waterproof Mylar
Full-Body 82" × 52" Coverage
Folds Smaller Than A Deck Of Cards

Multi-Packs From $0.99 Each • Save Up To 67%

AS SEEN ON:
1,000,000+
1,000,000+

Families Prepared

5,000+ Customer Reviews
5,000+ Customer Reviews

4.7 Average Rating

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Veteran Operated
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Proudly American-Owned

WHERE WOULD YOU WANT EMERGENCY PROTECTION READY?

Emergencies don't always happen where you expect them. Think about the places where you, your family, or someone else might suddenly need warmth, weather protection, or a versatile emergency barrier.

These Mart Cobra Emergency Blankets are small enough to keep almost anywhere — so you don't have to choose just one place.

  • Your Vehice
  • Family Vehicles
  • Home
  • Emergency Kit
  • Go Bag
  • RV or Camper
  • Workplace
  • Camping & Travel

How Many Places — And People — Would You Want Prepared?

CHOOSE MY COVERAGE
CHOOSE YOUR COVERAGE

BE READY IN MORE OF THE PLACES THAT MATTER.

The more places you prepare, the more you save — get up to 65% off, plus FREE shipping on 4-packs and above.

Choose Your Level of Coverage:
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IF IT HAPPENED TONIGHT...

  • Your car breaks down miles from home.
  • A winter storm knocks out the power — and the heat.
  • Someone you care about gets stranded in freezing weather.
  • A routine trip turns into hours stuck in the cold.

Emergencies don't schedule themselves. Preparedness means having emergency warmth ready before you need it.

“If The Temperature Dropped Tonight, Would You Be Ready?”

A Mart Cobra Emergency Sleeping Bag can only help if it's there when you need it.

CHOOSE MY COVERAGE
BORN FROM SPACE-AGE TECHNOLOGY

THE SCIENCE BEHIND EMERGENCY WARMTH.

Reflective insulation became widely associated with the space program in the 1960s, where lightweight reflective materials were used to help manage radiant heat.

Today, the same basic principle is used in emergency Mylar gear to help reduce radiant heat loss.

REFLECT BODY HEAT — DON'T JUST COVER UP.

The Mart Cobra Emergency Sleeping Bag uses a reflective Mylar interior designed to reflect up to 90% of body heat back toward you.

Its enclosed bivy-style design surrounds your body with reflective material, helping you stay covered when emergency warmth matters.

BUILT FOR MORE THAN WARMTH.

The windproof exterior helps provide a barrier against cold air, while the waterproof Mylar material helps block rain, snow, and moisture.

And at under 5 oz., it packs down to about the size of a soda can — compact enough to keep in vehicles, go bags, backpacks, and emergency kits.

WHO ELSE WOULD YOU WANT PREPARED?

EMERGENCY WARMTH ISN'T JUST FOR YOUR OWN HOME.

You may already keep Mart Cobra Emergency Sleeping Bags ready at home, in your vehicles, or in your go bags.

But what about the people you care about?

Parents. Grandparents. Adult children. College students away from home.

Emergency warmth only helps when it's already where they need it.

WHY CUSTOMERS KEEP MORE THAN ONE EMERGENCY SLEEPING BAG

From vehicles and go bags to family emergency kits, customers are finding plenty of places to keep emergency warmth ready.
David D. Holloway ★★★★★
5.0 star rating
A lot of room in the emergency sleeping bags
I keep several Mylar emergency blankets since they're compact and easy to store but when I saw these I opted to order a 3 pack and check them out. I opened one when they arrived and REALLY like emergency SLEEPING BAGS. So much room and very warm. I'm ordering additional bags so everyone in the family will have one in their bug out bag.
Verified Buyer
Amazon Customer ★★★★★
5.0 star rating
As advertised and shipped/received quickly
Great emergency sleeping bags! We put one in each of the cars, just in case. Hope we don't need them, but like to have them in the event we get caught out in the weather.
Verified Buyer
L Juanita ★★★★★
5.0 star rating
Emergency sleeping bags
Gave to my kids to have in their cars as Iowa weather is brutal right now. Wind chills -30!!!
Verified Buyer
Drew ★★★★★
5.0 star rating
5/5
Bought these for me and my family's go-bags. Compact design, efficient, durable, and thick enough to provide coverage in an emergency.
Verified Buyer
Grace R ★★★★★
5.0 star rating
Great price
One to my Sis, one in the car & one in the house in case of temporary power outage in winter.
Verified Buyer

WHY AN ENCLOSED MART COBRA SLEEPING BAG HELPS KEEP YOU COVERED

Same reflective technology. A design built to surround your body.

SAME REFLECTIVE IDEA. DIFFERENT PURPOSE.

Emergency blankets are incredibly versatile. They can be wrapped, draped, used as a cover, or positioned as a barrier in a variety of emergency situations.

But when keeping your body covered and warm is the priority, an enclosed sleeping bag has an advantage.

Instead of wrapping and adjusting a flat sheet, you simply climb inside.

SURROUNDS YOUR BODY. HELPS REDUCE OPEN EDGES.

The enclosed 7' × 3' bivy-style design surrounds your body with reflective Mylar, helping reduce the open edges you'd have when wrapping yourself in a flat blanket.

Its reflective interior helps direct body heat back toward you, while the windproof exterior helps provide a barrier against cold air and moisture.

When emergency warmth matters, climb inside and stay covered.

Still Have Questions? See our FAQs

Frequently Asked Questions

A traditional emergency blanket is a flat sheet that can be wrapped, draped, or used as a barrier. The Mart Cobra Emergency Sleeping Bag uses an enclosed bivy-style design that surrounds your body with reflective Mylar. Instead of continually wrapping or repositioning a flat sheet, you simply climb inside for full-body emergency coverage.

No. It is designed as a compact emergency warmth layer, not as a replacement for an insulated, temperature-rated sleeping bag. It helps retain body heat and provides a barrier against wind and moisture during unexpected cold-weather situations.

The Mylar material is waterproof and helps block rain, snow, and ground moisture. Because the sleeping bag has an open entry and is not a sealed shelter, it should not be treated as fully waterproof in prolonged heavy rain or submersion.

Think about the places and people you'd want prepared if the temperature suddenly dropped. Many customers keep bags in each vehicle, at home, in go bags or RVs, and with family members such as parents, adult children, or college students away from home. The right amount is enough to have emergency warmth where you may need it—instead of having your only bag somewhere else.

Each sleeping bag packs down to approximately the size of a soda can, making it easy to store in a vehicle, backpack, go bag, emergency kit, or other compact space.

Yes. Each Emergency Sleeping Bag includes a compact Velcro nylon storage bag for easy storage and transport.

Like most Mylar emergency gear, the material can make some crinkling noise when moved. The tradeoff is an extremely lightweight and compact design that's easy to keep ready for emergencies.

Orders are generally processed within 1–2 business days. Once shipped, you'll receive tracking information by email. Delivery times vary depending on your location and shipping method.

Yes. The reflective Mylar interior is designed to reflect up to 90% of body heat back toward you, helping reduce heat loss when emergency warmth matters.

Yes. It works well as a compact emergency warmth layer for cold-weather camping, hiking, vehicles, and go bags. It is intended for emergency heat retention—not as a replacement for an insulated, temperature-rated sleeping bag for planned overnight use.

Keep them anywhere you may unexpectedly need emergency warmth. Popular places include each vehicle, home emergency supplies, go bags, RVs or campers, and camping or travel gear. Their compact size makes it easy to keep emergency warmth ready in multiple locations.

Yes. Each sleeping bag measures approximately 84" × 36" (7' × 3'), providing full-body coverage and accommodating most adults comfortably.

Each bag weighs less than 5 ounces, so it adds very little weight to vehicles, backpacks, emergency kits, or travel gear.

Yes. When handled with care, the Emergency Sleeping Bag can be folded and reused for multiple emergency situations. Inspect it after each use and replace it if the Mylar becomes torn or damaged.

Yes. The Mylar material can provide a temporary barrier against ground moisture when needed. For emergency warmth, however, you'll get the intended benefit by climbing inside the sleeping bag and using its enclosed design.

Returns may be requested within 30 days after the order is marked delivered. Returned products must be unused, unworn, in their original packaging, and accompanied by proof of purchase.

Before returning an order, contact support@martcobra.com to request a Return Authorization Number.

Customers are normally responsible for return shipping unless the return is caused by an incorrect or defective item. Mart Cobra does not charge a restocking fee.

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YOU ALREADY KNOW WHO AND WHERE YOU'D WANT PREPARED.

NOW MAKE SURE EMERGENCY WARMTH IS THERE.

Everything on this page comes down to one simple idea:

Emergency warmth can't help if it's somewhere else when you need it.

At home. In your vehicles. In your go bags. With your parents, children, or other people you care about.

Prepare the places. Prepare the people. Be ready before the temperature drops.