One –time use only. The partial transfer security VOID material made from PET with release glassine paper ,the thickness of face material is :25, 50mircon .The weight of the glassine paper is  80g . Exterior appearance unchanged ,no trace when removed from the applied objects . Once opened, the face material would be destroyed , partial adhesive residue would be attached on the products ,also the hidden words “void or o void open “ will be attached on the products .We can meet  our customers' requirements and make the special edition mould .