Duro-Med Deluxe Swivel Seat Cushion has 360 degree swivel action that effortlessly enables a person to twist and turn in any direction, helping to prevent hip and back strain. It is a 1-3/4" soft foam cushion padding for exceptional comfort. The ball bearing roller-mechanism allows seats to turn without binding. A durable flexible base with slip-resistant bottom contours to seat and stays in place. The cover is removable and machine washable. The weight capacity is 300 pounds.