JFIT j/fit Stability Ball Chair
Strengthen your back and improve your posture. Ergonomic seating system combines the core strengthening benefits of the stability ball and the convenience of a rolling base. Promotes active sitting while strengthening the back. Use with or without the back support. Includes 50 cm ball and air pump. Assembly required. Gray. 22″ L x 22″ W x 31″ H. 16 lbs.