Hologram sticker kinds as follows: 1 2D Hologram Sticker : Plain effect hologram 2 3D Hologram Sticker: 3d visual effect hologram 3 QR code scratched hologram sticker :can show your message 4 Scratch off: After scratched,show coding 5 UV Hologram:only can see by UV light 6 Serial nunmber:Sequence or random 7 Barcode: Unique product label 8 Print Hologram:colourful printing 9 Washing aluminium