Construction: flame-resistant black neoprene (not made with natural rubber latex) Includes:MID PROFILE Single Compartment Cushion two-way stretch cover hand inflation pump repair kit and operation instructions. Optional Heavy Duty cover is available. Width: Widths range from 13.25 in. / 33.5 cm to 20 in. / 50.5 cm Height: 3.25 in. / 8.5 cm. without load Weight: Varies by size approximately 3 lbs / 1.4 kg (based on 1R99MPC) Weight Limit: There is no weight limit yet the cushion must be properly sized to the individual.