The CanDo� inflatable saddle rolls are easier to control than exercise balls because motion is limited to the forward and backward rotation. * These colorful inflatable molded heavy-duty rolls can support up to 300 pounds. * Rolls aid in developing muscles coordination and balance. * Further the saddle offers extra support for the patient. * Inflatable rolls also make a great addition to individual physical fitness regimes. * Available in various color-coded sizes. * Dimensions: 20 x 20 x 20 Weight: 5 lbs.