REFLECTIVE SURFACE: Made of highly reflective Mylar film, these blankets reflect over 90% of radiant heat to keep the body warm in cold conditions. LIGHTWEIGHT DESIGN: Weighing only 5 ounces each, ...
The difference between surviving and not surviving extremely cold weather can be as thin as a sheet of metallic plastic, or Mylar. Heat retention is vital when there are no other sources of heat or ...
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