EMERGENCY THERMAL BLANKET -Durable and compact design -Retains up 90% of body heat -Non-toxic reusable material -Waterproof and windproof -Compact travel shelter & insulation -Unlimited uses: Shelter, ground cover, insulation, shade, emergency signal, staying dry in rain, outdoor survival, preventing hypothermia or shock. Blanket Size: 52"×82" Color: Silver Blanket Weight: 2 oz Blanket Thickness: 12 umMULTIFUNCTIONAL - This emergency blanket survival gear is waterproof, moisture-proof, and UV-proof, with high temperature and low temperature resistance. It is very suitable as a outdoor gear for both men and women for such activities as hiking, camping, backpacking and mountaineering. Our thermal blankets can be used as ground covering, sleeping bag liner, emergency poncho, emergency tent, car blanket, camping tarp against wind and rain, etc. EMERGENCY USE - Perfect for emergency situations where warmth or protection from inclement weather conditions is required. Helps prevent hypothermia and shock by retaining up to 90% of a user's body heat. Emergency blanket can be use with an emergency shelter, emergency sleeping bag, emergency bivy, or other survival gear to provide you extra safety. MANUFACTURED FROM THE BEST WEATHERPROOF MATERIAL - Mylar insert provides insulation and the foil cover can reflect heat back to the body or deflect heat from the sun. LIGHTWEIGHT AND DURABLE - Military-grade 12-micron aluminized polyethylene mylar, 52"x82" & 2 oz. MYLAR EMERGENCY BLANKETS (Silver) (Pack of 4)- Each survival blanket is individually folded, wrapped, and sealed for easy storage and retrieval. They are reusable, waterproof and windproof and can also be used for both ground cover and shade. Durable and advanced aluminized dual-sided Mylar blankets are perfect for conserving body heat in emergency survival situations.