The SOL? Emergency Blanket is the most advanced emergency blanket on the market, meticulously designed never to fail when you're counting on it with your life. It all starts with vacuum-metalized polyethylene material, that reflects 90% of your body heat while also offering a number of other important features that set it apart from traditional mylar blankets; it opens easily and will not shred if nicked or punctured, rips and tears can be repaired, it is quiet and won't crinkle in high winds, and its high-visibility orange exterior makes it easy for rescuers to find you. Plus, survival tips and techniques are printed directly on the blanket so you have them when you need them.Survival instructions printed directly on the blanket for easy reference when you need it most. Resists tearing and will not shred like Mylar blankets. Heatsheets? material is waterproof and windproof. Reflects 90% of radiated body heat. Can also be used as a ground cloth, gear cover, first aid blanket, and more. Size: 56"x84" Wt. 3.2 oz.