Victor High Rise Collection DC100 Standing Desk with Height Extenders (Black, 28 x 23 x 12-14 1/2) Simple: Place the High Rise Stand Up Desk Converter on top of your existing desk, and you are ready to work standing up. Large Work Surface: Easily place your keyboard, mouse, phone and accessories all on one surface Sturdy Construction: Made from wood and durable laminate coating to provide years of use Tapered Rear: The rear portion of the desk is tapered to fit corner cubicles and notched to help manage cables Height Adjustable: Optional height extenders add an additional 2 for taller people