The Rocstor Premium VESA Laptop Tray holds notebooks and other devices up to 9.9 lb in weight and 9.4 to 16.5" in size. Slot your notebook between the expandable width grips for a stable hold. This tray attaches to adjustable monitor arms through 75 x 75 or 100 x 100mm VESA standards. A vented design promotes air circulation to keep temperatures cool and a steel construction remains durable throughout day-to-day wear and tear.