Tofern Coccyx Orthopedic Memory Foam Seat Cushion Car Cushion for Lower Back Pain Coccyx and Sciatica Pain - dark blue, velvet Great for Coccyx Relief, Lumbar Support, Back Pain in the Car or at Home Assists recovering of sciatica nerve pain, coccyx pain, pressure ulcers, injured tailbone or other lower back pain Angled wedge naturally aligns the spine and Promotes healthy posture Suitable for home, office and school chairs, also car, trucks or SUVs, even airline and train seats Removable and machine washable velvet cover, soft and comfortable touch