Optimum Comfort Gel Cushion 20 x 16 x 3 Instrument Stands 5 Seat Height: 19 48750 5 Seat Height: 19 23 Base Length: 53 25 YARD ROLLS * YELLOW * Composition: Latex free synthetic elastomer eliminates potential for allergic response * Performance characteristics parallel Thera Band latex bands * Color coded resistance levels * 4 wide * Optimum Comfort Gel Cushion (20 x 16 ) * 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