?Suitable for the Crowd?Whether you're a beginner or a seasoned computer professional, you can easily take your computer proficiency in the next level with our handy and affordable stickers. Also a great gift for friends and colleagues. ?Compatible?L*W*H: 3.25 x 3.25 x 0.01 inches, suitable for Macbooks Pro/Air 13, 15 or 16-inch (WILL NOT FIT for 11 or 12 inch) or any iMac or Mac Mini. Shortcuts work for MacOS 11 Big Sur, as well as any Mac OS 10: Catalina, Mojave, High Sierra, El Capitan etc. ?How to Use?Avoid dust and contact with adhesives. Peel and fold the backing paper in half and gradually apply the sticker, squeezing out the air as you go. ?Efficiency?This is a perfect Mac OS shortcut sticker, it contains a list of shortcuts for all Mac operating systems, Allows you to master basic shortcuts at any time to improve your productivity and multiply your workflow. ?High Quality?This Mac shortcut sticker is made of high quality vinyl, scratch-resistant and highly water-resistant. No residual adhesive, easy to stick on the pc.