Come and see our amazing products! The first aid blanket is made of aluminum foil film and coating. When used in a low-temperature environment, keep your own heat from emitting in a short time. The strong reflection makes it easier for rescue personnel to find and use field survival tools. Add a layer in the sleeping bag to improve the heat preservation ability, which is good for the sleep temperature. In rainy days, it can be used as poncho and tent, which is very suitable for field exploration, investigation, tourism, disaster, sunscreen, easy to carry, lightweight and practical. Pls confirm with us about the packing info, stock color and exact production time before placing your order