VECELO Comfortable Desk Chair for Child, Adjustable Swivel Task Chair for Student, Black Task Chair Dimension : 17.32" & 19.68" &32.2"~37" (L&W&H) Adjustable Chair with One touch pneumatic seat height adjustment Office Chair with pneumatic seat-height adjustment for easy positioning Desk Chair---Ergonomically designed for comfort for those who work at desks for long periods. Computer chair---Maximum holding weight: 220LB