Hologram Void if removed Security
Pressure temper evident ability of holographic sticker Pressure temper evident ability of holographic sticker come from temper evident metalized PET film. The aluminum metalized PET film has aluminum layer behind PET film. So when you remove tamper evident sticker from paper, the aluminum layer is damaged. That's why the sticker just can be use one time. The temper evident material is the default selection of our holographic label. The material can be silver,golden, blue, golden, etc.