Height Adjustable Standing Desk Converter Workstation Sit Stand Dual Monitor Laptop Desk Riser TabletopSit on top of your existing desk and allow you to work comfortably from either a sitting or standing position. It features smooth and quiet height adjustments without shake or rattle, ensuring a stable surface for all your devices. Featured with 44LBS max load, 5. 12in 20. 08in quick height adjustment, large working area can place one monitor, one notebook PC within 32inches, and some files. Come with a phone tablet slot on keyboard tray, entertain