Ergonomic backrest provides optimal support for kids back and waist Breathable mesh back and seat keep good air circulation Sponge padded seat cushion for more sitting comfort Height adjustable seat from 42-54 cm can fit most desks and ages Simply lift the lever up and down to adjust seat height Strong 5-claw base provides enhanced support Armless office chair saves much space Equipped with smooth rolling casters for easy movement Ideal for home, school, boys, and girls - Costway Kids Desk Chair Ergonomic Adjustable Children Study Chair in Green