Retroback Back Support System 15 16 Foot Care 3 * mattress * 8 Two 1 inch urethane 3 * mattress * 8 inflated cell depth * Low sheer quilted machine washable cover * 4 air cell pillow function * 20 second release CPR Valves * 80 L x 36 W x 8 H ( Inflated) * 300 lb Rear anti tippers standard 15 16 * Simply clip Retroback onto the existing sling upholstery and lift it off every time a wheelchair needs to be folded or stored * No tools or hardware needed * This rugged back support system weighs only 3 pounds (1 kg) making it easy to attach and remove from a wheelchair * Includes: Cushioned back support pad with attachment clip cover and instruction manual * The removable water resistant cover is made of a flexible durable washable fabric * Clip on and clip off * Improves comfort * Supports posture * Weight Capacity: 300 lbs * 12 month Limited Warranty * Medicare Code: E2611 *