Checkout this , 23″ Inch Balance Ball Trainer Yoga Fitness Strength Exercise Yoga with Pump for just $39.99 + FREE shipping !!! reg price $80!!
This Balance Hemisphere Yoga ball is suitable for you. It is a tool which is used to cooperate in sports fitness ball games. It is made of soft PVC and ABS materials, when the body contact with it, the internal inflatable fitness club evenly touches parts of the body to produce the massage effect, and will promote the blood circulation.