The VersaBall Pro Stability Ball can withstand more weight than the VersaBall. It is constructed of high-quality, professional-grade materials and won’t pop if punctured. Instead, it will deflate slowly if a puncture occurs while in use, significantly reducing the risk of injury. Easy to inflate; includes a tape measure to make it easy to tell when you’ve added the right amount of air. Sold individually. Storage options and pumps available (sold separately). 65 cm: 5’8″ to 6’1″ user. Since 1986, Power Systems passion for fitness has been fueled by Power Systems’ customers. Power Systems is committed to ensuring people have the tools to lead active lives with professional-grade products, cutting-edge educational materials, and elite customer service. “Power Your Potential” is the philosophy that guides everything Power Systems stands for.