DescriptionGreat for camping, hiking, backpacking, and surviving in the cold outdoor. Great as a liner of a sleeping bag or used as a temporary emergency shelter. Suitable for outdoor exploration, survey, tourism, and more. It can effectively keep warm and first aid.Features-Color:Green-Material:PE aluminum film-Size:210.00X130.00X0.10cm/82.53X51.09X0.04in -Perfect for camping trips and sporting activities. Can be used as tent footprint, backpack cover, poncho, emergency signal, solar oven, lampshade, fishing road, bird prevention, disaster prevention, disaster prevention, sleeping bag.- This can also be used as an emergency blanket to keep the body warm during emergencies, marathon running, camping, and other outdoor survival activities. - Parking under direct sunlight in the summer, cover the front windshield of the car with an emergency blanket, which can reduce the heat absorption in the car.- After an accident, first aid blanket can be used to cover the body to prevent a sharp-drop in body temperature.- Sleeping bag put a first aid blanket, warm is very good, this emergency blanket is very useful.