SPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLSPRI Exercise BOSU BALLAST BALLThe BOSU? Ballast? Ball, is a specially designed stability ball with 2.5lbs of weight inside, helping the ball to stay in stationary during use. Use the Ballast? Ball the same ways as a traditional stability ball, or lift it, shift it and shake it for all new dynamic exercise activities. The BOSU? Ballast? Ball is suitable for all populations and integrates easily with all types of fitness equipment. Includes foot pump and workout DVD.