Eggcrate Wheelchair Cushion with Back 18 x32 x3 Ergonomic Products SOLID SEAT BACK * 18 Hip Kits SOLID SEAT BACK * 18 W x 16 D x 1 1 2 * Custom and bariatric sizes are available * Used to properly align the body as well as to eliminate the sagging effect found in standard sling seat wheelchair upholstery * Safety straps secure the solid back to the wheelchair * Cushion uses medium density foam and is covered using waterproof black leatherette cover 2 Ã for patient safety * Max Height 64 * Min Height 22 * Base Height 6 Without cover * Seat with Back * Good for even distribution of weight * High density long lasting foam allows better circulation of air * Seat: 17 x 17 x 2 75 Shipping Carton Size: 18 L x 17 W x 6 H