"Macbooks mesmerised by us," thats what Macmerise stands for. Our decals or stickers in layman's term areÌ_ machine cut from high quality, self-adhesive, matte finish vinyl specially imported from USA. The vinyl has a patented Air Release technology which means there will be zero bubbles while applying the decal and zero residue on removal. Also be rest assured with Every decal order comes a set of application instructions or you could watch our application video online. We have said it before but reiterating this will not damage or harm your mac in anyway.