ROUTESUN Gym Quality Anti-Burst Fitness Exercise Stability and Yoga Ball with Pump with easy to use Foot Pump More Colors and Sizes 75CM Helps relax muscles, remove tension and increase tone. Increases flexibility in abdominals, thighs and lower back. Strengthens, stretches and tones all major muscle groups. Enhances coordination and balance, and improves flexibility. Tone, sculpt and chisel your shoulders, arms, thighs and abs WHAT ARE YOU WAITING FOR?