Material: The emergency blanket made of high grade waterproof and weatherproof PET mylar insulation material, it won't crack, mildew or shrink and moisture-proof . Remains/Reflects 90% of body heat and protect from hypothermia, provide compact emergency protection in all weather conditions.Dual-sided mylar emergency blankets are perfect for conserving body heat in emergency survival situationsReflective: Silver and gold dual-sided colors design. The silver color stands out in day or night, making it perfect for emergencies use. It's there when you need it and where warmth or protection from all-weather conditions is required. These blankets are reusable, waterproof and windproof and can also be used for both ground cover and shade, provides compact emergency protection in all weather conditions.Size: 130 x 210cmLightweight and Portable: Each lightweight blanket is individually folded, wrapped, and sealed for easy storage and retrieval and weighs less than two ounces, making it easier than ever to pack in your car, purse, hiking backpack,bag or pocket or first aid kit. Protect you and your family in case of bad weather or a breakdown!Emergency Foil Blanket : The handy solar blankets can be used as an insulation, shade, shelter as well as ground cover. It is an important component for first aid kits.Can be used as rainproof, sunproof, windproof and other tent materials., and a covering to help reduce shock when someone is injured. Perfect for your survival kit and camping equipment