Manufacturer #6201CC-NSVIII Brand Gel Pro Low-Pro Manufacturer Blue Chip Medical Application Seat Cushion Cover Material Nylon / Vinyl Cover Dimensions 18 X 20 X 1-3/4 Inch Inflation Type Non-inflatable Material Gel / Foam UNSPSC Code 42192208 Weight Capacity 250 lbs. Features Med-Flex VPF high-density foam shell surrounds a uniquely styled gel bladder to form a comfortable wheelchair cushion that is unsurpassed in pressure redistribution Segmented gel bladder contains an aqueous, highly viscous gel which provides for proper immersion and envelopment around the bony prominences Covered in a traditional waterproof vinyl and low-shear nylon material, which helps reduce heat and moisture build-up Both materials are fluid and stain resistant, anti-microbial Meet California technical bulletin #117 for fire retardancy 1 Each / Each