The Leitz Ergo Cosy Active Sitting Ball encourages back and core muscle movement improving posture and relieving back pain. Ideal for use as a desk chair to keep you active while you work a yoga ball or for back stretching physiotherapy and gym ball workouts. Quick and easy to inflate it comes with a hand pump 2 plugs and has a durable carry handle making it easy to carry from room to room. With its minimalist design and matt finish colours this stylish exercise ball chair will improve health and wellbeing by creating the perfect active working set-up. Combine with other Leitz Ergo products for an inviting and flexible workspace that keeps you moving all day.