Rally Fitness Anti Burst Exercise Stability Fitness Ball with Pump Can be used for Full Body workouts to target: abs, back, glutes, hips, arms, and other muscles groups Commercial Grade Exercise Ball rated at 2000lbs Constructed of Anti-Burst Material that enables the ball to slowly deflate if punctured Can be used as a chair to engage your "core" while sitting to improve posture Comes with air pump, anti-burst ball and 2 plugs