Memory foam offers ultimate comfort & support. Updated style for additional comfort contours. Offers support along the spine, eliminating stress on pressure points & encouraging circulation. Smooth surface is durable & easily wipes clean. Adjustable strap holds cushion in place. Provides direct support to the small of the back. General Category: Seating Accessory; Sub-Category: Backrest; Lumbar Support; Color(s): Black; Color Family: Black.