This All-Weather Blanket is a NASA by-product that will reflect and retain over 80% of radiated body heat. The four-ply, laminated structure - with an Astrolar® middle layer - forms a puncture-resistant barrier, preventing wind and moisture penetration. Also use as a large signal mirror. Blanket features full-edge binding and is reinforced with corner grommets to tie-down. Measures 84"L x 60"W and weighs 12 oz.