These laptop skins are compatible to laptops screen sizes ranging from 14.1 inches to 15.6 inches.You can make trimming of the skin that would be required as per your laptop size.These skins are easy to install & remove without leaving any gum or residue. Laptop skins give your device a unique look which is cool, trendy & personalized.These skins protect your device fromdirt, minor scratches & dullness, increasing its life & re-sale value. Specification: Dimensions (W x H): 15 inches x 10 inches Compatibility: Most laptops with screen sizes ranging from 10" to 15.6".Instructions: 1. First of all make sure your laptop is clean. Wipe it off with a soft cloth. The laptop should be free of dust, fat or grease -otherwise the laptop skin may not stick to your laptop as well as it's supposed to be. 2.Then take the measurement of the applying area. 3.Trim the exact size before applying with a blade/scissors. 4.After that align the laptop skin on your laptop, take care that you put it on straight and in the exact position as you want to place it. 5.Please remove only one side of the liner from sheet, align to the applying surfaceand start attaching them slowly.6.Proceed carefully with the use of a clean cloth and/or a plastic card (i.e. ATM card) to assure no air bubbles remain until the liner is removed.