Product Description Size : 39x29x25mm Gross weight : 0.16 lb Material : Zinc Alloy Contain : 1 Pack ( 2 Pcs ) aluminum macbook stand Application moft laptop stand, stable invisible ergonomic computer keyboard riser Mini Portable laptop stands : for 10 - 18 inches Laptops macbook riser Computer Keyboard Stand : mac magic keyboard riser, computer tilted keyboard riser stand when travelling. Computer Stand for Laptop : moft Laptop Stand for Desk , macbook riser cooling stand How to use: Peel off the adhesive film and stick it on the back of your laptop and hold for 12 hours. The extra 3M pads is spare stickers for your second use. NOTE Please wipe off dust and keep clean on the area to be pasted, Metal or smooth surfaces with paint are more likely to stick.