Adjustable Size: Adjustable for laptop width with thickness between 46mm and 100mm, you can adjust the screw to tighten to the right size. Anti-slip and Stable: The excellent laptop stand provides many silicone pads like in the U-type groove and under the docking station to prevent your device from being scratched and stays on the desk. Excellent Material: Made of solid aluminum alloy, same matte texture as the Macbook surface. Vertical storage protects your Macbook away from accidental water splashes. Space Saving: Put your macbook in this vertical stand, not only free up your desk space but also be a stylish decoration. Makes your workplace or office clean and organized. Wide Compatibility: Compatible with Apple MacBook Pro/Air, iPad, Microsoft Surface, Dell, HP, Samsung, Huawei, Lenovo, Sony, Asus, phone and tablet or some books.