Get in and out of your car effortlessly! Swivel Seat does the work for you! Swivel cushion helps turn your body to glide in or out of car. Eliminates stressful twisting, reduces strain on back, hips, neck. Ideal for elderly or anyone with stiffness or back pain. 15". Order one for driver and passenger! Super Swivel (16") supports up to 500 lbs. and comes with carry strap.