Ergonomic Backrest Design: Curved backrest can flawlessly line up with human body curve and support your spine’s natural curve. The lumbar support system resembles a pair of hands, pushing up and holding your low back Adjustable Seat Height: The seat height of this computer mesh chair can be simply adjusted from 35cm/13.8’’ to 45cm/17.7’’ by a little push-up/press down at the lever under the seat according to your needs Star Base & 360-Degree Wheels: Twisting and turning about is integral within the office. So we adopt a stable star base and equip it with 5pcs 360-degree swivel wheels, ensuring fluent and quick movement and keeping up your quick pace of work Easy Assembly Required: We provide all the necessary hardware and tools, and an illustrated installation manual to help you set up this chair Simple & Elegant: With a sleek lined mesh backrest and seat combined with a nice-looking star base, this aesthetically pleasing desk chair can easily blend into any of your room décor