Raw material of all transfer void sticker 

Tamper evident printing mateiral Full Transfer Tamper Proof Paper OPEN VOID Tamper Evident security seal Label Sticker/Material Feature Tamper Evident,Eco-friendly, anti-counterfeit, waterproof etc. Transfer type total transfer high residue Color by custom; red, blue, yellow, matte silver, etc Face Stock Thickness 25,50,micron Adhesive Thickness 15-35±5 micron Back paper 80g  Surface Disposal glossy, matte Hidden Message VOID,VOIDOPEN ,custom logo/company logo Residue…