The thermal blanket is used to protect the body from overheating or cold. It is essential equipment for marathons and outdoor activities. The thermal blanket is made from a silver-gold metallic PET foil. It is required to protect injured persons from overheating or excessive cooling of the body. The thermal blanket is non-sterile, hypoallergenic, and resistant to damage. The silver side reflects heat, while the gold side absorbs heat.