Tynor H 13 Coccyx Cushion Seat has an anatomical design with a recess, a hole, and a properly shaped surface to distribute weight across the seat and ensure better comfort while sitting. It has a unique high-density foam and a non-slip rubberized bottom that reduces pressure on the tail bone, keeps the cushion in place on slippery seating surfaces, helps relieve any pain brought about by extended hours of sitting, and promotes a proper and straighter posture. | Uses: This cushion seat is designed to provide comfort while sitting and also helps promote a healthier and straighter posture. | Product Specifications and Features: Has an ergonomic design with a recess and a hole and an anatomically shaped surface to provide maximum support, maintain a proper posture, and help in spine alignment It is designed with a high-density foam with unique properties, which helps you sit with ease and comfort for longer periods of time This cushion seat is durable and portable and can be carried anywhere for use, and it also has a non-slip rubberized bottom to help keep it in place on slippery surfaces It may help relieve sciatica pain, lower back problems, sacral joint pain, stenosis, spondylolisthesis, and other spinal problems It is completely machine washable and can be cleaned easily | Product Dimensions: 41.7 x 42 x 7 cm | Directions for Use: Refer to the instructions printed on the manual. | Safety Information: Read the label carefully before use Store in a cool and dry place away from direct sunlight Keep out of reach of children