This office chair features a beautiful walnut wood frame with glossy upholstery. is and polyurethane for added softness and durability. This High back office chair offers support to the back & Head region. The tilt lock mechanism rocks/tilts the chair and locks in an upright position while the tilt tension adjustment knob adjusts the chair's backward tilt resistance. The contoured backrest provides firm back support. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. This chair is sure to make an impression and become the focal point in your office :Strict selection of high-quality leather materials, fine texture, skin friendly, breathable, wear-resistant and durable. Assembly Required - yesAssembly Level - YesMaterialsFoam, Poplar Wood, Plastic, Plywood, Bentwood, Metal, Chrome, Leather/Faux LeatherWood SpeciesPoplar WoodColorsBlack, WalnutStyleContemporaryAge GroupAdultComfortability of this chair is 100 percent