Computer Chair Introduction The Mid Back Computer Chair provides comfortable support for everyday office needs. The soft foam cushion is suitable for you to sit for long hours. A tension adjustment knob at the bottom of the chair provides a degree of tilt to relax you while the highly flexible and thick foam seat provides you with lasting comfort for long hours of work. The dense mesh backrest has excellent heat dissipation to keep your back cool and you can sit for long hours without sweating. Feature Mid Back Computer Chair is selected from the thick frame, the hand plate is 2mm thick, and there is a thickened chassis, and what is more unexpected is that our armrests can be adjusted up and down, to meet the needs of different heights and different occasions, and customers can find the most comfortable posture. What's more, we have a one-piece back frame and engineering curved design, as well as polymer nylon particle casting, making our Mid Back Computer Chair structurally stable and durable. And the chair back frame with curved louvered waist design, beautiful and stylish, simple atmosphere, it can support the entire back, to relieve the problem of sitting discomfort. Item No.W18-2W chrome MaterialSpecial Mesh ArmrestPP Base320 mm Chrome Base MechanismTilt Mechanism Gas Lift100 mm Gas Lift CastersBlack and White PU Casters Product size(D*W*H)20*24.8*36.6~40.55 inches (51*63*93~103 cm) Packing size(L*W*H)59*26*59 QTY/CTN1 N.W/G.W9.5/11 kgs Loading QTY/40'HQ795pcsComputer Chair website:http://www.heruichair.com/office-chair/computer-chair/