This is Adhesive Anti-counterfeiting Sticker , the sticker with scratch area , and there is digital number under the scratch layer , 

It  can be made different QR CODE, BAR CODE, SERIAL NUMBER  on each sticker ,

Not only the sticker’s size ,color ,design is can be customized but also including the quality. The sticker is can be waterproof ,and easy  broken when remove the sticker from products ,also Can be hologram our technical department can according your special quality requirement to adjust our production to Meet your quality requirement.