Goplus Office Chair Ergonomic Mesh Computer Desk Task Chair (Medium Back) Ergonomic Design- This soft padded seat make it an ideal seat of choice for long-time working, studying and gaming. And the fixed arms provides all-day support for the arms, shoulders and upper body. Breathable Black Mesh- The ventilated mesh back material allows air to circulate to keep you cool while sitting. It will allow you to have a comfortable experience during working days. Adjustable Seat Height- Height can be adjusted by pneumatic gas lift. Simple pneumatic controls will let you raise or lower your seat much easier. It can accommodate users of various heights. Durable Swivel Wheels- This office chair swivels for multi-tasking convenience. When sit on this office chair, you can move it easily and smoothly on the floor. It would be more flexible in the working space. Suitable for Different Places- With the stylish and simple design, this modern and classic black office chair fits for use in any office setting and home setting.