Commercial-grade task chair with a simple modern style is ideal for your home office, professional 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 Built-in 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 and durable mesh, while the armrests are finished with soft polyurethane padding Supported by a heavy duty nylon base outfitted with 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: 25.8"; height: 36.8"; depth: 23.4"