This high quality cushioned seat glides you in and out of cars smoothly without struggling. Contours to the seat and will swivel in both directions. May help those who suffer from arthritis, leg or back pain. A strap secures the position of the swivel seat. Diameter 400mm 151/2 inches. Height 70mm 23/4inches. Weight 1.6kg. For further information please contact your local shop or call 01908 644133 (Luton 01582 487878). We look forward to hearing from you.