【Ultra-durable high quality material】The sleeping bag is made of aluminized PE film (thickness: 0.01197mm, weight: 80g). Helps prevent hypothermia and shock by retaining/reflecting up to 90% of body heat. Our mylar blankets are essential in your first aid and survival kit because we are never too prepared for emergencies. It's best to take them with you outdoors and travelling. 【Used for Signal Rescue】With the reflective function, it's easier for rescuers to find them, and it's safe. makes a survival tool in nature. The emergency bivy bag stands out from its surroundings with as much contrast as possible. With the survival sleeping bag you can call for help in an emergency. Remember that the ultimate goal in any survival situation is to get home safely. 【Waterproof and Warm】The emergency sleeping bag is not easy to tear, has good water resistance, strong wind resistance and strong thermal insulation performance. Perfect for emergency situations where warmth or protection from all weather conditions is required. Our rescue blankets can keep rain, snow and moisture out to keep you dry in wet, cold and rainy environments. 【Ultra-lightweight and foldable】The rescue blanket emergency folds into a small piece, can be stowed almost anywhere, giving you plenty of room for more gear in your backpack. and the unfolded size is 130*210CM. is big enough for most adults with backpacks. The bivy bag is not disposable, just fold it up carefully after use and it can be reused. 【Suitable for multiple scenes】Bivvy bag, survival shelter and emergency blanket in a. Not only use it as an emergency sleeping bag or an emergency blanket, the emergency blanket can also be used as a backpack cover, rain poncho, distress signal, sleeping bag liner, cup -wind, water collector and many other creations. uses. Ideal for hikers, climbers, runners, skiing, camping, emergencies.