This first aid sleeping bag is made of PE Aluminum film, size 210x90cm, light weight, 115g, can used in special circumstances, such as sleeping on the street after an earthquake, or in distress outdoors. When camping, you can put it on the outside of the sleeping bag to enhance the windproof and warm effect. This sleeping bag just needs to be carefully folded and stored after each use, and can be reused After an accident occurs, it can be used as an emergency blanket to cover the body to prevent the body temperature from dropping sharply. The weak patient can wrap an emergency sleeping bag on to prevent loss of heat. The vehicle can keep the body warm in cold areas or when it breaks down at night In the event of a disaster in the wild, when you wrap the first aid blanket around your body, it can help rescuers quickly find the target by using the reflective effect It can be used as a poncho in rainy days, and can be used to cover the windshield of the car in summer to reduce the heat absorption in the car. Reflective sun protection function protects you from strong sun light It can be used to collect water outdoors when you are thirsty, and can also be used as a tent moisture-proof pad. Package includes 1xsleep bag ONLY