product 1. Intended for use in balance, core strength, increasing cardiorespiratory endurance, weight control, back rehabilitation, birthing balls, Pilates balls, Pilates shaping and shaping, yoga and many other fitness exercises. 2. Explosion-proof structure: The yoga ball chair is designed with explosion-proof and anti-skid, and there are horizontal ribs around it, which makes it easier for you to hold it without slipping when you bounce, squeeze or toss the ball. 3. The stability base ensures reduced ball movement, which is essential for form when exercising. 4. Versatile Use of Exercise Ball: Get back in shape and achieve flexibility and balance with this exercise ball chair. The therapy ball lets you exercise when you need it, from the gym to your home or office. Its great for abdominal workouts, pregnancy crunches and other workouts. 5. INCLUDED WITH YOUR GYM BALL: Our Balance Ball Chair comes with a hand pump, two air plugs and an air lift