fort Ergonomic DesignDUMOS features a scientifiy contoured mid-ba design and lumbar support that precisely fits the natural curve of your spine,relieve the soren in your ba and waist. The breathable mesh ba promotes air circulat,keeping you cool and focused during long work hours,while the high-resilience fo seat cush provides cloud-like fort without sunken. Roing modeWhen you need a break,enga the 90°-120°tilt mechanism to recline fortably. The tens knob lets you customize the recline resistance to your body weight, for moments of rest or creative thinking. Height adjustableThe height is adjustable from 14.7'' to 17.7'' inches,suitable for different body types and you can lean ba and chan your sitting posture. At the se time,there is a convenient stora space at the ba of the chair,where you can put books,newspapers or ipads. Fixed armrest make the structure more stable,enhance durability and service life. Sturdy and Quiet The reinforced metal base and smoothly rolling silent casters stable and quiet movement. The chair wheels do not cause scratches on the floor and can move smoothly on carpets. It supports a load acity of up to 250 pounds and creates a peaceful home or office atmosphere. Versatile for Any SpaceIdeal for your home office,studying,ging,or simply browsing at your puter desk. A blend of style and funct for any room.