Product Description: Managerial Chairs & Executive Chairs 4 inches thick fabric seat and height adjustable soft fabric thick armrest. 15 degrees tilt and lock function. The height of chair can be adjusted This chair be able to support 300lbs weight, but it is not designed for bigger people. Managerial Chairs & Executive Chairs Ergonomic features an all-elastic premium mesh back and a high-density sponge seat making the mesh office chair a good choice for all-day comfortable office seating. The unique mesh design is skin-friendly and breathable, which keeps you cool all day. Managerial Chairs The ergonomically designed backrest of our ergonomic office chair has prominent lumbar support to fit the natural curvature of the spine. The Computer Desk Chair with mid-back brings quality and comfort to any office. The home office chair comes with installation instructions and all necessary hardware& tools. We also offer a video to help you, allowing the office chair installation to be completed within 10-15 minutes.