A compact lightweight blanket made from aluminized non-stretch polyester the Coghlan s Emergency Blanket stays flexible in freezing temperatures while it reflects body heat back to body. It is also known as a survival blanket space blanket first aid blanket thermal blanket or all weather blanket. Essential survival gear for emergency preparedness it is also wind and waterproof. Coghlan s makes the outdoors more comfortable and enjoyable with over 500 accessories for camping hiking fishing and RVing — from cooking gear to first aid kits insect netting firestarters tent repair and more.