DescriptionAre you suffering tailbone pain from sitting a lot because of work or study? This cushion will help you a lot in solving the problem. It promotes your comfort level while sitting on hard seat like chair, car, plane, wheelchair seats and to prevent horrible tail bone and sciatic pain.Features-Color:Grey -Material: Cotton -Size: 42.00X33.00X8.00cm/16.51X12.97X3.14in -According to the ergonomic design, supports the butt, and cares for human health.-The cushion pillow can regain its original shape and retains its strength of support, even after intensive use.-The shape of the cushion is very helpful in relieving pressure and redistributing weight when you sitting.-The product with ergonomically designed seat cushion provides maximum back support.-And comfort while pressure relief on the hip, coccyx, tailbone, sciatica and promotes healthy posture.