Commercial-grade office chair with a simple modern style is perfect for your home office, cubicle, or workstation Features a pneumatic gas-lift seat height adjustment system and a tilt-tension function that lets you control the smoothness of the recline Optional lumbar support ensures you maintain the natural inward curvature of your lower spine throughout your working day Swivels 360 degrees and rolls smoothly over any surface for maximum mobility in and around your work area Backrest and seat are upholstered in soft, durable, and breathable mesh fabric, while the chromed armrests are finished with polypropylene padding Supported by a heavy duty chromed steel base, which features durable multi-surface wheel casters Requires about 1 hour of assembly time between 2 adults For best care results, wipe with a cloth and avoid use of harsh chemicals Width: 24.4"; height: 46.5"; depth: 32.7"