Features: 【Space Saver】Dual slots to hold your laptops / tablets vertically, vertical storage build up a neat and well-organized space for your desk, also keep your devices away from accidentally spills. 【Adjustable Width】Width of each groove can be adjusted from 0.55 to 1.65 inch to fits different thickness laptop. Come with hex for key, easy to adjust the width. Loose the screw on the bottom, move the board to the width as you want, then tighten it. 【Wide Compatibility】for Mac book, Micro soft Surface, Gaming Laptop, Chromebook, Note books, Tablets, Phone，or even books. 【Protective and Stable】Non-slip silicone mat around the groove to protect your device from scratches. Silicone strips and sturdy weighted base secures it in a stable position. 【Exquisite Workmanship】Vertical laptop stand is made from high quality plactic material, durable and anti-scratch, it will protect your laptop well. Specifications: Name: Notebook Stand Material: Plastic Size: Pls see the Pictures Type: Single Slot/ Two Slots Package Includes: Type A 1 x Notebook Stand ( with one Slot） Type B 1 x Notebook Stand ( withTwo Slot） note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.