The Mediball Pro is the most trusted exercise ball on the market. It retains its shape under dynamic loads, maximising the body’s stabilisation process. Core stabilisation using exercise balls has been promoted physiotherapists and exercise therapists for many years. It is ideal for seating, exercise, rehabilitation and can be used with a duraDisc or medicine ball to gain a more challenging workout. Also improve your posture, reduce back pain and brighten up your office. These balls have been tested to hold loads of excess of 500kg.