Description: MDBuddy stability exercise/balance ball is perfect for strengthening the abdominals, core and lower back muscles. It is made out of PVC material and it is anti-slip & anti-burst. It comes with hand pump. Features: Anti-burst made with thick and durable materials. We put your safety as a top priority during manufacturing. Excellent balance balls for exercise, yoga, pilates, and stretching at home, in the gym, or the office! Also great to relief back pain, during pregnancy, and for improving your posture & core strength. High grip, non-slip surface for safe use when performing weighted exercises. Perfect for use with yoga, pilates, or for general strengthening & balanc. - Blue -