Anji Mid Back Adjustable Armless Computer Office Desk Chair Mesh Black Ergonomic computer office chair upholstered in fabric mesh, easy to assembly Built-in lumbar support and padded seat for all-day comfort and support Pneumatic seat-height adjustment, dual nylon wheel caster Overall size:L21.9*w16.9*h34.1-38.8 inch, seat height(lowest-high-test): 16.3-21.1 inch Correction note weight capacity: 200 pounds(not 130lbs)