BuySShow Seat Cushion,Coccyx Orthopedic Comfort Memory Foam Office Chair , Car Seat and Wheelchair Seat Cushion for Lower Back, Tailbone and Sciatica Pain Relief (Blue) Reduce pressure on the lower back and coccyx whilst seated, Beneficial for sitting pain because of sciatica, fractured or broken tailbone suffers, hip pain & pelvic pressure, herniated discs & pressure sores. Perfect for your office chair, wheelchair, car seat, truck, airplane,bench or bleacher and sitting on the floor gives relief from tailbone pain. High-Density memory foam to provide long lasting comfort for hours, Removable velour cover is machine washable and allows for easy cleaning Human body engineering design makes sitting more comfortable, reduces pressure on sensitive areas, promotes healthy posture, improves spinal alignment Good flexibility and elasticity, Ideal Support for Work & Home.