The blue Gaiam Total Body Balance Kit helps you strengthen, tone and condition your upper body, lower body and core muscles. It combines the use of a Gaiam fitness ball with resistance training to focus on major muscle groups and maximize your workout. The exercise routine is free of impact to protect joints. The kit has a premium Balance Ball, a resistance workout band and an air pump. This Total Body Balance Ball also comes with 2 workout DVDs to get you started. The large rubber ball supports up to 300 lbs.