Reduces the hassle of getting in and out of cars and provides all of the benefits of a ring cushion. Nonskid base prevents cushion from moving out of place. Made of firm yet comfortable molded foam that raises seat 2". Removable, washable cover. Weight capacity 300 lbs.
More information: https://www.performancehealth.com/catalog/product/view/id/28273/s/swivel-cushion/