The Pathfinder Survival Blanket is a super versatile blanket"" a must-have for outdoor enthusiasts"" hikers"" and campers. It's small and compact and easily fits into almost any backpack or haversack. This lightweight survival blanket features a strong nylon outer layer coupled with an aluminum reflective layer on the inside. The aluminum side reflects up to 90% of body heat. The blanket weighs only 12 ounces. It is 5' x 7' when fully deployed (packed size 12"" x 9"" x 2""). The aluminum side of the blanket can be used to reflect heat"" create a radiant barrier or signal for help. The other side is made of durable nylon which can be used as a blanket"" tarp or shelter.