2xhome Black - Modern Mid back Ribbed PU leather with Arm Rest w/Tilt Adjustable Boss Executive Office Chair Work Task Computer Executive Arms Large Heavy-Duty Ergonomic Mid back with swivel chair Modern ribbed stitching with PU leather upholstery, to offer extra comfortable in many hours. Covered arm rests Adjustable seat height and tilt tension control(Tilt up to 20 degrees or upright locking position). Supportive chrome steel base with 5 wheel casters