Duro-Med 100%-Gel, Gelcare Flotation Cushion features low-viscosity water-based gel that is enclosed in a heat-sealed heavy-gauge vinyl pouch. This cushion is the ultimate flotation cushion for the prevention and treatmenbt of decubitus ulcers. The 16" x 18" x 2" cushion offers maxium comfort. The grey leatherette cover is machine washable as well as waterproof and flame-retardant. Weighs only 5 pounds.