PROMIC Professional Grade 2000lbs Anti Burst and Slip Resistant Exercise Ball, Yoga Ball, Balance Ball, Stability Ball, Fitness Ball with Hand Pump (55cm, 65cm, 75cm, Silver, Blue, Purple) Gym Grade Stability Ball: Gym professional quality PVC material, anti-burst 2000lbs design is able to withstands the most rigorous workout. Every PROMIC workout ball can withstand up to a 2cm cut without explosively deflating. Inflates Quickly and Easily with Handy Pump to Jumpstart Your Fitness Workout Routine: Every box we ship contains a deflated yoga ball that inflates using the quick hand pump that goes with it. This premium balance ball makes workout more effective. Use it for Pilates, Yoga, Stretching, CrossFit, Fitness, Flexibility and more! Home, Gym, or Office Use, Perfect for Gifts: Durable enough to be used every day as an exercise balance ball chair at the office to correct your posture and support your back when you work Three Size Options for Your Comfort and Safety: 55cm, 65cm, 75cm, Silver, Purple, Blue. The exercise fitness ball has a matte surface with horizontal ribs contoured all around it, making it easy to hold without slipping while tossing, bouncing, squeezing the ball, or even with profuse sweat. Order Now! Worry Free! We offer a Better than money back guarantee. If there is a problem with your stability ball for any reason, we will Assist You with a Full Refund and Send You a New One