Fits 17' Laptops and Notebooks: This ventilated 14 x 11.8 tray is designed to fit most laptops and notebooks on the market (up to 17') and supports weights up to 22 lbs Drill-Free Mounting: This product secures to your surface of choice (up to 3.4 thick) via a heavy-duty C-clamp, or use the equally sturdy grommet mount (up to 3 thick) to suit your preferred layout