Office Depot Brand Memory Foam Seat Rest, 2inH x 16 1/8inW x 16 15/16inD, Black

High-density memory foam provides maximum support For added comfort while you are seated. Foam gently molds itself to the natural curvature of your body. Contains virtually no pressure points like other foams and gels. Leather-like bottom cover minimizes movement on the chair. Removable, washable, cotton/polyester fabric cover is easy to maintain.