The 4U conference room chair balances sophistication and style with ergonomics and functionality. The grooved back has a black polyester fabric that provides the comfort of an upholstered back with the slim profile of a mesh back. It is height adjustable with fixed arms and it has a fabric upholstered foam seat that's available in different colors. Product guaranteed by a 12-year manufacturer's warranty including the foam, 5 years for the groove back.