Graham Field / Lumiscope Swivel Seat Cushion. Swivel seat allows individual to turn up to 360 degrees. Durable, slip resistant base provides security and keeps seat in place. Assist with getting on or off a chair or seat easily. Removable machine washable cover300 lb. weight capacity, EVENLY DISTRIBUTED. 15" overall diameter. 1 Year Limited Warranty. Latex free. Gray.