Product deiscription of Level 1 Security Bag Seal :
The anti-counterfeiting function of the Level 1 security seal is that it is bonded with the membrane after the release paper, forming a seal with anti-counterfeiting function. The substrate is PET or PO anti-counterfeiting material, which is usually used in security bags, logistics bags, anti-disassembly and so on. Once the seal is removed, the pre-set anti-counterfeiting font information (such as VOID or VOIDOPEN or customized pattern) will be revealed on the surface of the tape, and there will also be VOID or VOIDOPEN or customized pattern anti-counterfeiting information residue on the surface of the adhesive, typical surface material showing words, the character of the adhesive. Sometimes the solid VOID or VOIDOPEN or customized pattern (also known as the Yang version) remains on the surface of the paste, and sometimes the hollow VOID or VOIDOPEN or customized pattern (also known as the Yin version) remains on the surface of the paste.