Duro-Med Gel/Foam Flotation Cushion offers maxium comfort, stability and therapeutic effectiveness. It features a combination of firm and soft foam with extra gel in between. The cushion is 16" x 18" x 2" in size and is reversible for ultimate comfort. The navy polyster knit cover is removable, washable and features convenivent positioning straps. The cushion weighs only 5 pounds.