Application Instructions: How to Apply Your Marble MacBook Decal. Congrats on your purchase of a gorgeous Marble MacBook Decal! Chances are, you can't wait to glam up your MacBook, so we'll dive right into How to Apply Your Marble MacBook Decal. Please note: There is a slight difference in application between MacBook Pro (non-Retina) and MacBook Air / 'MacBook Pro with Retina Display' decals. This set of instructions if for MacBook Pro Retina Display and MacBook Air decals. For more information about our Marble MacBook Laptop Decal products, visit us at: http://marblemacbookdecals.com/ & on Etsy at: https://www.etsy.com/shop/MarbleDecals