Prepare for unexpected overnight stays under the stars with this XL Emergency Bivvy. Made from tear-resistant, aluminum-coated polyethylene, this Bivvy reflects 90% of your body heat back to you, providing life-saving warmth when you need it most. Weighing in at only 6.3 oz., this emergency blanket weighs almost nothing, but packs a wallop in life-saving protection in your survival gear. When turned inside out, the Bivvy bag doubles as an emergency blanket, so you can wrap yourself in its heat reflective warmth while watching a soccer game, warming up at camp and more. 2-person emergency sleeping bag or blanket Reflects 90% of your body heat back to you to prevent heat loss Lightest 2-man bivvy on the market weighs a mere 6.3 oz. Take it camping, hiking, or biking for emergency use Packs down to the size of a 12 oz. soda Waterproof, windproof material with sealed seams provides protection from wind, rain and snow Durable, tear-resistant and reusable Order today!