Seat Cushion features three memory foam sections to help evenly distribute your body weight Ergonomic design minimizes pressure points and provides maximum support and comfort Plus it helps you maintain a healthy posture Nonskid rubberized fabric on the bottom stabilizes the cushion on your chair Washable fabric cover can be removed for easy cleanings Specifications . Color Black Grey. Material Fabric Memory Foam Rubber. Height 18 5 . Width 1 8