Optimum Comfort Gel Cushion 20 x 18 x 3 Smith Nephew Tapes Black powder coated chip and Sterilization Black powder coated chip and wear resistant finish * Each upright telescopes up to 13 and locks into (9) height positions with fail safe ball tip locking pin * Designed to easily fold to save space * Unit is only 10 wide when folded * Height adjustable from 28 to 41 * 400 lb * Ergonomic Handle Allows for 2 handed grip * A Pocket Organizer Provides storage space for handy items 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