This Avento gym ball with a diameter of 65 cm is ideal for sitting, back training, and general fitness. You can also improve your core stability and perform some aerobic as well as physical therapy exercises. This ball is increasingly being used as a replacement for (office) chairs to provide the user with better posture. The ball is suitable for users with a height of 165 to 185 cm and a weight of up to 100 kg. It features anti-burst protection and an antistatic surface.