These Boss task chairs are upholstered in leather and have thick seat and back cushions for all day comfort. Features pneumatic seat height adjustment and a 5-star base with dual wheel casters provide great stability. You get all the comfort and elegancy of leather at an affordable price in this chair. Dimensions. Seat: 18"W x 16"D. Back: 16.5"H x 16"W. Seat height adjustment: 16-22"H. These Boss leather task chairs normally ship in 2-3 business days from our GA or CA warehouse.