The Leitz Ergo Cosy Active Sitting Ball in calm blue offers a stylish and ergonomically designed alternative to traditional office chairs, promoting an active and healthier workday. This versatile exercise ball chair encourages continuous back and core muscle movement, which helps to improve posture, increase flexibility, and alleviate back pain. It doubles as a versatile exercise tool for yoga, gym ball workouts, balance training, and physiotherapy. Complete with a durable carry handle and easy inflation, it's a perfect blend of comfort, style, and active living. Use it as a desk chair to keep you active while you work, or for various workouts to improve your posture. Its removable cover is hand-washable, and the strong carry handle makes it easy to move from room to room. Inflating the ball is quick and easy with the supplied hand pump. The ball has a generous 65cm diameter with a robust phthalate-free inner ball and can hold up to 100kg. Parts include the inner gymnastic ball, fabric ball cover, hand air pump and 2 plugs.