Made of polyester and fleece. With the great protection provided by the polyester waterproof backing, you can wear it in windy, rainy, and cold weather. Never fear the winter weather again! It's also easily foldable and packable, this compact waterproof throw blanket can be simply rolled up into a handled roll secured by a heavy-duty fastener, which is super easy to store. The plush fleece has insulation that makes you or your kids stay warm and dry in the bleachers at the football, hockey, baseball, soccer or concerts