NVM1186 Features: * Back foam cushion * Prevents the wheelchair sling back from "hammocking" * Non-flammable and cover is washable and waterproof * Nylon straps securely position cushion to wheelchair * Weight capacity: 250 lbs Dimensions: * Dimensions: 20.2"" H x 16.5"" W x 3"" D Warranty: * 12 Months limited warranty against workmanship defects