SINO - Healthy sitting in modern design, with the following features: - Continuous seat height adjustment by a special gas pressure spring perfectly coordinated to children. Height from 35cm up to 43cm. - Seat depth adjustable and by using an allen key under the seat it can be absolutely fixed. - Adjustement of the back by push-button-system for an optimal relation of seat height, depth and seat back, following DIN EN 1335. - Up to max. 80kg loading capacity. - Load dependent braked safety double castors for the use on hard and soft floors (For the use on sensitive floors (e.g. parquet, cork, laminate) we recommend the use of an additional floor protecting mat) - Breathable backrest. Seat fabric color Grey with backrest in Light-Grey with Xs in Grey and legs in White.