About Mayline Mayline Company was founded in 1939 under the name Engineering Supply Company. The company proved to be an expert in the manufacture of drafting tables, blueprint files, and straightedges. During the war years, Mayline provided highly accurate navigatonal and mapping accessories for all branches of the military. Though still a market leader in manual drawing and large format filing, Mayline has moved to the forefront of office ergonomics. Mayline offers the market"s largest and most diverse selection of manual-assist, counterbalance, and electric sit-to-stand workstations found anywhere. Mayline is located in Sheboygan, Wis. * Mid-back office chair in a choice of colors * Upholstered in genuine top-grain cowhide leather * Powder-coated cast aluminum base with heavy-duty casters * Cast aluminum arms with padded leather loop armrests * Deep cushioned seat with pneumatic height adjustment * Deluxe knee-tilt mechanism with tilt-lock for reclining * Manufacturer provides limited lifetime warranty * Seat dimensions: 21W x 21D in. * Overall Dimensions: 27W x 30D x 39 - 42H in.