The memory foam coccyx seat cushion will add comfort to your chair car seat or wheelchair. The rear cutout eliminates back pain by reducing body weight pressure on the tailbone. Mean while the ergonomically designed contoured shape of the pillow promotes healthy posture proper spine alignment superior comfort and helps prevent pressure ulcers. Most importantly it will not flatten out like other cushions because it uses the highest quality comfort foam for optimal support over long periods. The velour cover is machine washable and can be removed using the zipper for easy cleaning. Seat cushion reduces pressure on the coccyx...