One –time use only.The total transfer security VOID material made from PET with release glassine paper ,the normal thickness of face material is 25 or 50mircon . Once peeled off from applied objects, the face material would be destroyed , adhesive residue would be attached on the products , the adhesive glue and the hidden words “void or o void open “ will be completely attached on the products .We can meet our customers' requirements and make the special edition mould.