Wedge car cushion - gel/foam coccyx - 1 each / each - 2647cg-r - features:coccyx (tailbone) u-cutout reduces pressure on the tailbone and spine.Wedge angle encourages pelvic tilt to reduce pressure on lumbar discs and promote better posture.Designed for the car but great for use in the home and office.Convenient carry strap for easy transport.Breathable durable fabric cover is removable and washable.Specifications:17 x 16 x 3 Weight capacity: 250 lb1 each / each