Checkerboard Design High-Back Mesh Desk Chair features high-strength elastic nylon mesh upholstery with a checkerboard design. Two-way adjustable armrests offer to pad for comfort. Seat and back angles can adjust independently with the multi-task control. The seat-glide mechanism travels forward and back and then locks into position. Other functions include tilt tension and tilt lock. The five-star base is made of aluminum with a black powder-coating and is equipped with casters for easy mobility.