13" Fit Disc

Promotes core stability and provides many of the same benefits of a gym ball while performing lower back and abdominal exercises. Can also be used in most chairs. Support and challenge the spinal muscles while enhancing posture. For children with hyperactive nervous systems the tactile surface has been shown to enhance calmness and concentration. Can be used on the floor for exercises just like a stability ball to improve balance and increase strength. Inflate with a standard ball needle.  Supports up to 350lbs.