"Durable adhesive stickers that are easy to apply to the front and back of the device, and remove cleanly without leaving any residue"
Of course it's a sticker. It says that it's a sticker right in the product description. The little video instructing you how to apply it even shows it as a sticker. Why would you rate a product one star for being exactly what it claims to be in both the description and the video? People need to learn how to do research and see what the difference is between the covers, sleeves and skins before buying.