Ergo Office children's ergonomic chair, adjustable headrest, adjustable height, max 75kg, ER-484NErgonomic chair for children adjustable up to 75kg The ER 484N children's chair has been designed with ergonomic features to ensure the most comfortable seating position while studying and playing at a desk. It is equipped with adjustable seat height and headrest, providing the perfect conditions for correct posture while sitting. The casters are equipped with an innovative braking system that locks the chair while sitting preventing it from moving,