Blizzard Survival Bag (3-Layer) Windproof, waterproof 3-layer Reflexcell protection creates honeycombed channels of dead air to insulate against external temps, with a metallized inner layer reflects body heat back toward user. Ideal bivvy shelter for emergency survival situations, search and rescue, escape and evasion. Recommended component for aviation and vehicle survival kits. Backcountry pilots and wilderness professionals rely on high quality survival gear like the Blizzard Survival Bag. Vacuum-sealed in compact form for easy carry or storage. Bivvy features drawstring closure to seal out cold air, wind, rain, and snow. Packed measurements: 9.8 in. x 4.5 in. x 1.2 in; Open measurements: 99.5 in. x 30.7 in; Weighs just 13.6 oz.