This is QR Code Sticker , Each Sticker can be with same QR code also 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 , Paper, PP, PET , Hologram , and easy  broken when remove the sticker from products ,our technical department can according your special quality requirement to adjust our production to Meet your quality requirement.