SOL Heatsheet Two Person Survival Blanket - Metalized Polyethylene - Dry Flex Pouch Reflects up to 90% of radiated body heat. Quiet! Far quieter than traditional "space blankets". Tear Resistant - made from Metalized Polyethylene, this Two Person survival blanket is highly durable and will not tear like competitive products. This 3.2 ounce life insurance policy opens to 60" x 96", and is large enough for two people. Can also be used to construct emergency survival shelter. Packaged in a re-sealable Dry Flex Carry Pouch for High Visibility and Protection