Body Solid Tools Exercise Balls provide a simple but effective way tofocus on core strength and stability. Physical therapists have usedexercise balls for years to strengthen the abs and back while improvingbalance and stability. Body Solid's anti-burst exercise balls are sizedright to fit your height and are equally suitable for light commercialand home use. What goes around comes around, and the best way to ensure a lifetime ofhealthy posture, balance and conditioning is to commit to a regularcore strength and stability program. Fortunately, Body Solid makes itsimple, fun and effective with exercise balls durably designed to roundout your daily routines. Features: Durable, anti-burst construction is easy to use and easy to clean. Four sizes to comfortably accommodate any size user. Ideal for core strength and stability programs that target toning, stretching, back care, balance and rehabilitation. Includes hand pump Suitable for home or light commercial use