Purple 55cm Variation ✦Anti-Burst Tested✦ Professional grade PVC material, extensive testing, and a unique anti-burst design provides for the highest quality exercise balls available on the market. Every exercise ball can withstand up to a 2cm cut with out explosively deflating. ✦Versatile✦ Live Infinitely fitness balls make for the perfect addition to your home exercise equipment to improve your core and overall strength. Perfect for pilates, yoga, crossfit or the hundreds of low impact exercises available. ✦Strong and Durable✦ With the ability to support over 2200 lbs it will be the strongest pilates, yoga, or balance ball you will ever own. Durable enough to be used every day as an exercise ball chair at the office to improve your posture. ✦All Inclusive Purchase✦ Every Live Infinitely balance ball comes with an included hand pump, extra air plug, and valve remover tool. Every purchase also includes access to our exercise guides and online training workouts to help you reach your goal of a healthier you! ✦Reliable Customer Service✦ Every purchase is backed with a 100% Satisfaction Guarantee. If your not thrilled, simply contact our reliable customer service team and know you will receive unmatched personal assistance.