HIGH QUALITY - Made from memory foam that is durable and no matter how many times you sit your pretty butt down it will never go flat! PERFECT -The Orthopedic Ring Cushion has a soft handle,easy to carry and portable.Cover with durable zipper,removable and washable ASSIST PROTECT THE BODY - Shape of the cushion helps distribute weight for the user to increase comfort. Memory foam will change with the temperature changes in hardness, the human body sit on the memory foam cushion, the cushion can sense the human body temperature and change the most suitable hardness to your hip. Orthopedic Ring Cushion Cover with durable zipper,removable and washable Relatively lightweight and easy to transport from the home to the car and office or place of work. Recommended for:Sitting for long hours at the office, work, flights, wheelchair, home or car rides. Weight: about 400g Size: 40*33*7cm Color include: treasure blue, gray, purple, coffee, navy Package includes: 1pc * cushion