To gracefully exit or enter a modern car, you need to be a contortionist – unless you have this swivel car seat cushion. Just position the swivel car seat in place. It fits even bucket seats, and it will swivel you easily in and out without pinching you or your clothes. Features a comfortable non-slip base. 1 3/4" high x 15" diameter. Swivel seat cushion supports up to 250 lbs.