A desk essential for any work space, Office Chair - Black will make a comfortable, supportive and stylish addition to your modern office.Contoured polypropylene frame Breathable mesh upholstery Black nylon base with heavy-duty castor wheels Fully ergonomic for daily use Gas lift height adjustment Lumbar support, tilting mechanism Adjustable armrests High density sponge seat, 360-degree swivel Requires two person assembly