Flash Furniture Curved Sq.Are Back Low Back Black Mesh Swivel Task Chair. The benefits of a comfortable chair are many and should never be underestimated. This mesh task chair supports you when you're working long hours to get the job done, in your dorm, at the office and at home. The transparent mesh back allows air to circulate, keeping you cool no matter how high the pressure gets. The swivel seat is padded with 2" of foam and covered with black mesh upholstery. Built-in lumbar support helps prevent back strain and muscle fatigue. Raise and lower the seat using the pneumatic seat height adjustment lever, conveniently located below the seat. The heavy-duty, nylon base with dual wheel casters makes it easy to roll across the floor. Whether you're sitting in class, studying for a final exam or working to beat a tight deadline, this stylish chair will keep you cool and comfortable throughout your busy day. If sitting all day is a necessity of your job or daily routine the right chair is essential to maintain good health and productivity. This adjustable height mesh task office chair with transparent ventilated back design is a must have for your workspace [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Low back design and built-in lumbar support prevent back pain Swivel seat and dual wheel casters for easy maneuverability Contemporary style task office chair fits any workspace.PRODUCT MEASUREMENTS Overall Size: 21.5"W x 22.5"D x 30.5-34.5"H | Seat Size: 17.5"W x 16.25"D x 15.5-19.5"H | Back Size: 16"W x 16"H Note : To ensure proper assembly, please follow all steps provided in the User manual (provided in pdf below)