Durable and Reusable- measures perhaps 85 inches (7 feet) (metrics not available in all countries.)

Stuff sack fits in the palm of your hand (see photo)

Also functions on a windy or rainy night as an emergency bivvy sack.

the first-aid sleeping bag can effectively maintain body temperature. 
This sleeping bag is not a one-time use. It can be folded and stored after each use and can be reused.

Main Features:
1 When camping, you can put it on the outside of the sleeping bag to enhance the wind and warmth effect.
2 Debilitated patients wrapped in emergency sleeping bags to prevent heat loss
3 When the wilderness is killed, the emergency blanket is wrapped around the body, and the reflective effect can be used to help the rescuer find the target quickly.
4 can take up the use of water sources, tents, mats, etc.
5 Reflective sun protection under a hot sun