The Rocelco R DADRG-DM2 Standing Desk Converter Bundle is the perfect way to get your ergonomic workstation started. It comes with a Sit-to-Stand Desk Riser and a Dual Monitor Mount. The Rocelco R DADRG Standing Desk Converter provides the proven health and energy-boosting benefits of alternating between sitting and standing during your work day, reducing back strain and pain. The sturdy steel frame with easy-grip side handles uses pneumatic gas-piston assist to easily raise up to 35lb. on the large 37.5" x 20.5" desk riser top between 5" and 17" above your existing tabletop. This desk converter bundle offers a large 29.3" x 11.6" retractable keyboard tray that slides in, pulls out and locks into place. This workstation can hold two medium size or one large monitor as well as a laptop on the desk riser top. The sliding keyboard tray is also large enough to hold a laptop. This bundle comes with anti-scratch foam rubber pads. Use the convenient grommet hole to route cables and organize.