Master Caster® Deluxe Seat/Back Cushion w/Memory Foam, 17w x 2 3/4d x 17 1/2h, Black

Forward tilt of the seat cushion relieves stress from the lower spine and pelvic area. Adjust the shape and thickness of the cushion to customize comfort. When used as a back cushion, provides proper seat depth dimension. Adjusts easily for individualized comfort and support. Ideal for use in office, home, car or plane. Adjustable strap holds cushion in place.