The Duraball Pro is the strongest, safest and most burst resistant exercise ball available. The Duraball is the best choice for advanced users as it offers the maximum firmness and support and is perfect for training. It also works great as a chair when under inflated.
Ball pump NOT included
Latex (rubber), BPA and Pthalate free. 1100lb Dynamic burst resistance and 4400lb Static burst resistance. Constructed from an innovative synthetic material called Duralon.