Take your workout to the next level with the SPRI Balance Trainer Sport. Used for cardio, agility, strength, core, balance, and mobility exercises and drills, this balance trainer features a half exercise ball that is flat on one side and domed on the other. The 50cm diameter ball features easy-to-grip handles and a non-skid base so you can focus on enhancing your movement capabilities, training your balance, and building strength and flexibility. 'Half Exercise Ball' features flat side and dome