Christmas Deals Jadebird Orthopedic Coccyx Memory Foam Seat Cushion, Grey, For Back Pain Relief From Extended Seating, Tailbone Support, Sciatica The U shape gently adjusts the pelvis forward, providing the spine with lumbar support to help posture, relieving pain naturally, assisting conditions like sciatica ,sciatic nerve damage, piriformis syndrome, chronic prostatitis, pressure ulcers, hernia or herniated disc, hemorrhoid, lumbosacral spondylosis fibromyalgia, and spinal stenosis. Easy cleaning removable durable seat pad cover is machine washable, Beside the seat pad cover, also have inner cover pad