DMI Foam Seat Cushion for Comfort, Support and Height for Your Wheelchair, Car or Chair This supportive seat cushion adds comfort and height to wheelchairs, regular chairs or car seats. Use it whenever you want some extra padding on your chair. The foam is high density meaning it won't flatten easily and will stay strong use after use. It's also great for use in your car or when you need a seat cushion for special events. The cushion is super lightweight so you can easily carry it. The cover is removable and machine washable, though we recommend you wash it alone first to avoid color bleeding. Features Firm seat cushion adds support, comfort and height to wheelchairs, regular chairs or car seats, reducing pressure on your back and tailbone. It is super lightweight, making it great for increasing your comfort while traveling or attending events. The cushion conforms to your natural body contours. Constructed of high density foam that will not crack or crumble Removable poly cotton cover is machine washable.