It is used to protect against overheating or cooling of the body. Essential equipment for long-distance runs and outdoor activities. The thermal blanket is made of silver-gold, metallic PET film. It is used to protect the injured person from overheating or excessive cooling of the body. The thermal blanket is non-sterile, hypoallergenic and resistant to damage. The silver side reflects heat, the gold side absorbs heat.#13#10