CanDo, Dual-Handle Medicine Ball, 9" Diameter, 5-piece setCanDo, Dual Handle Medicine Ball, 9" Diameter, 5 piece set (1 ea: yellow through black) The 9 inch diameter CanDo Dual Handle Medicine Ball is Ideal for abdominal training, rotational movement and strength training, the dual, soft grip handle is easy to grip with one or two hands. Just the right size handle for a total body workout and perfect for core and torso exercises, the handles enable wide ranges of movements. Available in 5 color coded weights