The Comfort Office Chair Cushion Set is the two-piece solution for office workers, gamers and anyone who sits for long periods of time. This advanced set includes a lumbar (back) cushion and a coccyx (seat) cushion to help relieve pain and spinal pressure, so you can sit comfortably for hours. Features removable, washable velour covers, adjustable elastic straps and a non-slip rubber bottom to prevent slipping.