Home Slickdeals Exercise Stability Ball Chair with Hand Pump Use for CrossFit, Yoga, Balance... Slickdeals Exercise Stability Ball Chair with Hand Pump Use for CrossFit, Yoga, Balance & Core Strength Training $8.79 By ARCOM - 27 April 2018 164 0 SHARE Facebook Twitter Go to the deal page: Exercise Stability Ball Chair with Hand Pump Use for CrossFit, Yoga, Balance & Core Strength Training $8.79