DescriptionThis special sleeping bag with a drawstring bag, made of PE aluminum film material, is practical and durable for long time use. It is very lightweight, portable, and easy for you to carry. Engineered for emergencies and survival, you have the ability to call for help with the whistle.Features-Color:Green-Material:PE aluminum film-Size:213.00X90.00X0.10cm/83.71X35.37X0.04in- An emergency cold-proof sleeping bag, which can be used as a sleeping bag during rest to isolate the outside air and achieve warmth.- Lightweight and folding, easy to collect and easy to carry, take little space.- Suitable for outdoor exploration, survey, tourism, and more. It can effectively keep warm and first aid.- Used in a low temperature environment, it can keep its own heat difficult to dissipate.- They are reusable, windproof, and can also be used for floor coverings and shade curtains. The durable sleeping bag is ideal for conserving heat in case of emergency.