The Sitness 5 stool features an integrated exercise ball and can support up to 110 kg. It is a great alternative for ergonomic seating. The air pressure adjustment using a pump allows for individual customization of both seat firmness and vertical rocking effect based on body weight. With its rocking feature, the Sitness 5 stool is ideal for active sitting. It can be used in various settings, from offices to waiting areas in practices. With its fresh colors and elegantly designed, stable feet made of chrome-plated lightweight metal, the Sitness 5 stool is a real eye-catcher. The maximum sitting duration is four hours. Additional details: versatile application from modern offices and home offices to waiting areas, integrated exercise ball as a seating alternative for active sitting, elegantly designed and stable feet made of chrome-plated lightweight metal, seat firmness and vertical rocking effect adjustable individually via air pressure regulation using the included pump, maximum load capacity: 110 kg, maximum sitting duration: 4 hours.