Designed specifically to strengthen your back, the Fit Pro Ball Chair combines ergonomic ball chair comfort with exercise ball fitness benefits. The end result is active sitting, which means that your back muscles are strengthened while you sit. If you are having back troubles or aches and pains from using a typical office chair, then the Fit Pro Ball Chair is the answer. You’ll enjoy better posture, and that means less back issues and pain. The lightweight plastic frame and compact design of this unit makes it easy to transport. Each chair includes a durable ball and hand pump. Give your back a break with the Fit Pro Ball Chair.