Core Balance Anti Burst Gym Ball, 55-85cm With Hand Pump (65cm, Black)

Develop your core and improve your posture with the Core Balance Anti-Burst Gym Ball. The gym ball is a highly effective and versatile exercise aid, which you can easily incorporate into your daily workout. Because it's unstable to sit, lie or lean on, it requires constant engagement of your core muscles as they work to keep you balanced. The gym ball is made from durable anti-burst PVC with an...