The Leitz Active Sitting Ball with anti-roll design promotes the movement of the back and core muscles to improve posture and alleviate back pain. It is ideal as an additional seating option to stay active while working, as a yoga ball, or for back exercises, physiotherapy, and gym ball training. With a diameter of 55 cm, this sitting ball is perfect for individuals with a height between 135 and 155 cm. The safety stop feature prevents the ball from rolling away when standing up and allows for secure storage. With its minimalist design, this stylish sitting ball positively impacts well-being by effortlessly creating the perfect active work environment. Combine it with other Leitz Ergo products for an inviting and flexible workspace that keeps you moving throughout the day.