Simple to start enjoying the health benefits of standing while you work. The Royal SD36 adjustable standup desk sits on the existing desktops. The step height adjustment allows a comfortable standing or sitting position as you want. Large work space accomodates two monitors or a monitor and laptop. Erogonomic keyboard tray prevents neck strain. Dual squeeze handles activate and inactivate the height adjustment mode. Holds up to 35 lbs. Comes fully assembled.