SPECIFICATIONS: Made of steel and plastic, this laptop VESA adapter fits laptops, tablets, and notebooks from 11” - 17” in size. It's compatible with 75x75mm and 100x100mm VESA mounts. (This item is for the laptop holder tray only. A VESA arm must be purchased separately). LAPTOP AIRFLOW FOR COOLING: This laptop tray offers increased cooling and airflow for your notebook computer with its open-frame design. We've engineered it to promote the flow of heat outwards and increase your laptop’s performance. EASY TO ADJUST CLAMPS: Our monitor arm laptop tray features built-in adjustable clamps with easy-grip knobs that can adapt to a variety of sizes, and will firmly hold the edges of your laptop and keep them safe and secure. ERGONOMIC BENEFITS: Reduce strain on your neck, eyes, back, and shoulders, by using our notebook VESA mount tray to place your laptop at the correct ergonomic viewing angle. UNIVERSAL LAPTOP MOUNT: Transform your workspace with our laptop VESA mount tray that's universally compatible with computers 11"-17" wide. Simply connect to any VESA mount to elevate your laptop. Use it on a dual monitor mount to view you laptop screen next to your monitor.