Triac Medical Carrying Case, 1 Box of 15 Instruments 15 16 * Simply stretchable sides so you 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 * Universal semi rigid shell design with duplex air cell technology to reduce swelling and pain and encourage earlier ambulation Has outside view window Holds up to a 150 mL cassette