BounceZiez Yoga Balll is a must-have for anyone who wants to stay in shape. It's great for working out at home, in the gym, or at the office - it can help relieve back pain and improve your posture while also being great for abdominal exercises, glute exercises, lower-body workouts, and upper-body workouts. The ball arrives deflated and can be inflated with the included pump quickly and easily. You may need to inflate it once or twice after the first inflation to stretch it to its final size.What's in the Box? BounceZiez Yoga Ball Pump Specifications: Limited Quantity Available 90 Day Warranty