Emergency Use: Our emergency thermal blanket is perfect for being placed in travel bags, home and car emergency kits, and is a must-have for outdoor camping, hiking, marathons, and in emergencies such as extreme weather. Protection: Our space blankets can prevent hypothermia and shock by retaining or reflecting up to 90% of body temperature. The life blanket keeps out. Structure: Our survival blankets are made of mylar material, which is waterproof and weatherproof. Whether in extremely cold or hot environments, heat can be maintained or deflected. Mylar inserts provide insulation, reflect heat back to the body or divert heat away from the sun. Durable: All life blankets are individually folded, wrapped and sealed, easy to store and retrieve, and reusable, durable and advanced aluminized. Widely Used: Our emergency mylar thermal blanket is not only suitable for outdoor activities such as camping, travel, sports, etc. but also can be used as an emergency shelter, emergency tent, light tarpulin, sleeping bag, rain poncho, etc.