Use the BOSU dome orplatform side down, combineit with other equipment, or useit as a stand-alone productto make any exercise fun,challenging, and effective. The BOSU is made with a Burst-Resistant material and was designed to be used by professional athletes, some weighing as much as 350lbs or more. Also, the BOSU has a platform that is 25 inches in diameter and it inflates into a hemisphere 12 high when fully inflated
