Optimum Comfort Gel Cushion 20 x 18 x 3 Smith Nephew Tapes 100% cotton covered elastic threads 01804 100% cotton covered elastic threads form a continuous spiral * Doesn't stretch lengthwise * Washable autoclavable * 33' (10 meters) roll * Packaged in dispenser box push down to lock) * Padded 20 wide seat for increased seating surface and added comfort * Removable padded backbar * Adjustable handle height to accommodate broad range of user heights * Durable heavy duty 8 wheel for indoor and outdoor use * Removable pouch under seat for storage of personal items * Includes easy to read retail friendly user manual * Five (5) year limited warranty Optimum Comfort Gel Cushion (20 x 18 ) * Unique channeled gel bladder prevents gel migration in high pressure areas * Gel channels provide relief over the entire cushion area * Foam base provides additional support * Inner foam core has a liner to protect the integrity of the foam * High end cover with straps