Deluxe, multi-purpose, waterproof bed pad offers four layers of protection. 100 stay-dry surface is soft and comfortable on skin, while protecting from wetness. Binding on edges for longer life, even after multiple washings. Fabric information: Surface: 100 polyester. Inner Lining: 65/35 polyester/rayon. Backing: 100 vinyl backed polyester. Available with tuck-in mattress flaps to prevent pad from slipping or moving.