FEIERDUN Stability Exercise Ball, Yoga Ball Anti-Burst/Heavy Duty Ball Chair for Office & Home & Gym Workout Versatile Yoga balls make for the perfect addition to your home gym equipment, improvimg your core and overall strength. Perfect for pilates, yoga, crossfit or the hundreds of low impact exercises available. ANTI-BURST DESIGN  FEIERDUN exercise ball one of the highest density Yoga balls manufactured using gym quality standards. It can bear up to 2000 lbs without popping & preventing you from being injured. HIGH QUALITY MATERIAL AND ANTI-SLIP Professional quality exercise balls, made of eco-friendly, non-toxic PVC material that allows for shape resilience, free of BPA & heavy metals. Our yoga balls features a matte textured finish and a firmer horizontal line that helps avoid slipping. EASY TO INFLATE Save time and energy with the quick inflation pump included in the in the package. Convenient enough to be used every day as an exercise ball chair at the home, office to improve your posture. SATISFACTION GUARANTEE Our exercise ball to be the Highest Quality Material on the Market Today. 100% Money back guarantee if you are not satisfied.