●Anti-burst system - The high-quality material composition prevents sudden bursting of the ball, which can be triggered by sharp or sharp objects on the material surface. ●Dynamic load capacity up to 800 kg - It is made of particularly durable and elastic rubber. Even after prolonged use, the ball remains dimensionally stable and has a good bounce properties. ●Exercise balls training – with the POWRX anti-burst exercise ball, you can expand your training plan with a variety of exercises. Especially working in the office and little movement promote back and neck pain. ●Double training effect - train your whole body through suitable exercises. Traditional exercises are much more intense and effective thanks to the POWRX anti-burst ball. Build muscle while exercising your balance. ●Box contents: 1 x POWRX exercise ball and practical pump, link training library with over 360 exercises by email in your shipping confirmation and invoice, sizes from small to large 55, 65, 75, 85, 95 cm