1 It can be used in a low temperature environment to keep its own heat not easily dissipated. It can be used as a picnic mat.2 The first aid color is orange and green, which makes it easier for rescuers to find that it is actually one of the survival equipment in the wild. Adding a first aid blanket in the sleeping bag can improve the heat preservation ability and is great for ensuring the sleeping temperature.3 An emergency cold-proof sleeping bag, which can be used as a sleeping bag when resting to isolate the outside air and achieve warmth.4 Sleeping bag palm size, sleeping bag design, ultra-thin, easy to collect, easy to carry.5 In the outdoor environment, it is suitable for field exploration, survey, tourism, and use when disasters occur. It is easy to carry, compact, beautiful and practical.