Allison Black Back Relief Seat Cushion is a orthopedic cushion which is for car, home, or office use and is specifically designed to relieve lower back pain. It is made of durable foam and features a wedge shaped design that provides better spine alignment as well as protects the lower disc from stressful compression. This seat cushion with multi foam construction has soft foam for comfort and an extra firm insert for added back support. The special cut-away feature eliminates pressure on the coccyx and lumbar regions and has washable velour as well as provides years of lower back relief. It is not to be used in vehicles equipped with seats that contain air bags. Use of this seat cover may interfere with deployment of side air bag which may result in injury to the seat occupant.