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Description & Features+
People across the country are "On the Ball" to tone, trim and tighten abdominal, lower back and leg muscles. And now you to can get, and keep, your entire body in shape. You target the muscle groups, including glutes, obliques, abs and quads. It supports and cushions your body, and maximizes your work out to help you achieve a firmer, fitter, and more-defined lower body and torso. For pro-rated, beginner-to-advanced results. Ball inflates up to 22".
From the Manufacturer +
Q & A+