The Decal Guru Boston City Skyline Decal Vinyl Sticker, 11" MacBook Air, Black (2329-MAC-11A-BLA) Every decal sticker is removable and leaves no residue. The lifetime of the vinyl is 3+ years indoors. The lifetime of the decal depends on how much it is touched or rubbed when placing it in a bag or case. All our decals are machine cut from single colored pieces of Oracal 631 Series vinyl. They are not printed on transparent vinyl and have no transparent border. Every decal order comes with a set of application instructions or check out HOW TO APPLY tab on any product page. Our MacBook decals are made when you order them