This is the most advanced emergency blanket on the market. Unlike the traditional mylar blankets, this one is made of vacuum-metalized polyethylene material that reflects 90 percent of your body heat while offering features not found in traditional blankets. It opens easily, will not shred if nicked or punctured, and rips or tears can be repaired. It is quiet without the "crinkly" sound of mylar blankets. The high visibility orange exterior makes it easy for rescuers to find you. Sized to fit one person. 56"x84". Package of 12 blankets.