Sportsman Polarshield Blanket Made of tough rip-stop reinforced polyester material, designed from insulation used in space exploration. Retains 90% of body heat. Compact emergency protection in all weather conditions. Waterproof and windproof, will not crack, mildew or shrink. Bound edges for long wear. Ideal for camping, mountaineering, hunting, etc. Size: 82" x 50". Weight: 12 oz