The white semi-transfer positive plate large VOID anti-counterfeiting font material is composed of polyester film composite 80g white grid with VOID anti-counterfeiting font preset on the substrate. When the white semi-transfer positive plate large VOID anti-counterfeiting font material is lifted, the preset VOID anti-counterfeiting font will be displayed and the material is not recoverable, indicating that it has been opened, playing a warning role. It is mainly used to identify unauthorized opening of products or packaging.