The Techni Mobili Mid-Back Mesh Task Chair provides breathable mesh back support, a contoured fabric seat cushion, and contoured armrests in a sleek, contemporary design, The pneumatic height adjustment lever provides a 4, 5 inch seat height adjustment range and the reclining back has a tension control knob, Dual wheel non-marking casters and a 5-star nylon base provide durable, stable mobility, COLOR: Black, 1 Year Limited Warranty, Dimensions:, Length: 24"", Width: 22, 5"", Height: 40"" SKU: RTA071