Watch TV! While working! Tea! Just sit down each day. You can use muscles that are not normally used. Naturally train your abdominal muscles and back muscles. The balance ball is set in the chair. It can also be used as a chair. It can be used as a balance ball. It can be used as a chair. It can be removed and hand washed. Always Clean Anti-Bar This product has passed the weight test (100 lbs) by the test specifications