Elegance and professionalism come to the office with the office star desk office chair. The contour molded seat and back with built-in lumbar support ensures comfort and good posture. So get the job done on time in comfort with the desk office chair. Features: chair has contour molded seat and back with built-in lumbar supportchair has ratchet back height adjustmentchair has pneumatic seat height adjustmentdual function control with seat sliderheight adjustable soft polyurethane padded armsheavy duty nylon base with dual wheel carpet casters.