Smaller version of our best-selling FitBALL Seating Disc, this air-filled disc has a unique dome-shaped top that mimics the FitBALL exercise ball. One of the most versatile fitness and rehabilitation tools available, the FitBALL Seating Disc can be used as a standard balance disc or as an active sitting cushion. Junior size is 12", green and packaged in poly-bag. FitBALL Pump sold separately.