Fitness Ball - Stability Ball &ndash; Strength Core Exercise Ball &ndash;Desk Chair For Home Or Work Office - Yoga Ball And For Pilates - Green 75cm Anti Burst with Pump Included. From My Fitness Gear Great Exercise ball for Yoga, Pilates & any of your fitness needs Makes a for a great core workout at work, Have this ball at work and at your desk Will strengthen your core and improve your posture! Very durable anti burst ball with pump. Easy to use and pump up. No risk guarantee! Our risk free guarantee means if your not satisfied you get your money back.