Comforteasy Coccyx Orthopedic Super Comfortable Pain Relief Seat Cushion (Brown) Reduces pressure on the coccyx, tailbone and hip bones while sitting Superior comfort for a chair, car seat, plane or wheelchair Patented design promotes healthy weight distribution, posture and spine alignment Assists in the relief and treatment of lower back pain, numbness, and pressure sores Removable velour cover is machine washable and allows for easy cleaning