Wrapper identifies personal blankets as "THE ORIGINAL SPACE BLANKET", "THE LIGHTWEIGHT SUPERINSULATOR FOR WARMTH AND PROTECTION". "Use ..as ground cover for tents and sleepingbags. Skiers go up chair lifts in comfort , wrapped in an ALL-WESTHER BLANKET. Fishermen spread itat stream side for a clean, dry spot ... Hunters have adapted it as a duck blind and windbreaker. Many a golfer has used it to keepdryduring sudden shower on course. Boatmen use it as a cockpit sunshade and know that it reflects radar should an emergency arise." It is listed as "Warm, Lightweight, Compact, Durable, Waterproof, Windproof, Has Grommetted corners, is flexible even insub-freezing temperatures. Used by U S Government, Military, Police and Rescue Organizations..." Also, "...evolved from insulation material developed by use by NASA in the Apollo program. ...is aluminized plastic film. ...weighs less than 10 ounces." Care "...simply wipe with damp cloth or sponge."