Mezonn PE Emergency Sleeping Bag Survival Bivy Sack- Use as Emergency Space Blanket, Lightweight Sleeping Bag, Survival Gear for Outdoor, Hiking, Camping - Includes Nylon Sack with CarabinerULTRA LIGHTWEIGHT COMPACT: The thermal sleeping bag is kept in a small 3. 9*5. 1 inch bag and weighs only 4. 2 ounces. Let you repeat use at any time, you can carry and can be stored in any place, store it in your car, backpack, and emergency first aid case, etc. It can be easy to find when you have an emergency sleeping bag, and Mezonn emergency heat resistant Mylar bag is perfect for all emergencies. STAY WARM OVER 24 HOURS: Made out of ultra