My Lenovo X1 Yoga had the typical screen lines caused by the screen itself pressing on the keyboard when the lid is closed, so I thought to buy a screen protector to avoid further defects.Well, this screen protector made those lines disappear, I wasn't expecting that!!! So good!It applies just like a phone protector, and comes with a full kit for the process, so you won't need any tools or alcohol.You will notice that the film is not very sticky on your fingers, but once you put it on the screen it will glue itself really well, magic stuff!So, all in all, I don't think one can make a product like this any better, so it's an excellent purchase.Just make sure you pick the same model since newer models of the same laptop line (like the X1 line) may have a different screen aspect ratio ;)