Fangrui Product Details Adjustable Ergonomic:4 Heights Of Laptop Screen Can Be Freely Adjusted For A Eye Level, Letting You Fix Posture And Reduce Your Neck Fatigue, Back Pain And Eye Strain. Very Comfortable For Working In Home, Office And Outdoor. Sturdy Full Protective:made Of Premium 6mm Aluminum Alloy And Designed As Triangle Structure, The Laptop Riser Can Hold Up To 6 Kg Weight More Stably. With Larger Anti-skid Silicone Covers On 2 Raised Hooks And Entire Top Surface, It Can Secure Your Laptop In Place And Maximum Protect Your Device From Scratches And Sliding. Moreover, Smooth Edges Will Hurt Your Hands. Portable Foldable:this Portable Laptop Stand Only Weighs 52g And Can Be Quickly Folded Into A Small Size. Easy To Carry Anywhere With A Durable Sleeve Bag. For People Who Travel For Business A Lot. Broad Compatibility:our Laptop Holder Is Compatible With All Laptops From 10-17 Inches, Such As Macbook Air/pro, Google Pixelbook, Dell Xps, Hp, Asus, Lenovo Thinkpad, Acer, Chromebook, Microsoft Sur