Perfect for home, work, in the car or any place there will be prolonged sitting, the OPTP Coccyx Pillow reduces pressure on the tailbone for effective low back pain relief. This handy coccyx cushion features a wedge shape with a U-shaped notch, designed to reduce uncomfortable pressure points and alleviate low back pain. Ideally suited for any situation where one sits for long periods, use it as a car seat cushion, office chair cushion, stadium cushion, etc. This wedge cushion is constructed of