Lumbar support of this computer chair equal to a independent pillow,try this computer chair to save your back.Solid structure of computer desk chair with steel legs and armrests, simple but durable.Tilt function, up and town, 360 degree basic desk chairs function can be easy handle.simple function, simple lifeClearly parts can be easy put together, Soft pu and ergonomic design of this desk chair make you work or study happyThis mid back office chair maximum weight capacity - 300 pounds,1-year limited warranty