Topeakmart Home Office Chair Mesh Fabric Back Computer Chair Swivel Task Chair Adjustable Desk Chairs with Lumbar Support Arms Black This is a great office mesh chair with arms and backrest with lumbar support very fit for home office to use Gas lift beneath the seat to adjust the height, easy adjustment to customize your desired office chair height the tilt angle of the backrest can be adjusted by a simply rotating the control knob under the office chair seat; 5 Star castors wheels can be rotated in all directions, convenient for you to move the office chair Overall Dimension: 23.6 x 21.1 x (33.1-37) (WxDxH) Adjustable Total Height: 33.1-37" Adjustable Seat Height: 14.6-18.5 Armrest Size: 11.6 x 8.7 (LxH) Seat Size: 18.3 x 17.3 x 2.8" (LxWxThickness) Backrest Size: 16.1 x 15.2 (LxW) Max. Capacity: 220 Lb