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Pressure tamper evident holographic sticker

Pressure tamper evident ability of holographic sticker come from tamper

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 tamper evident material is the default selection of our

holographic label. The material can be silver,golden, blue, golden, etc.