Anti-counterfeiting security bag is a self-sealing plastic bag that uses a self-adhesive anti-counterfeiting seal and can be self-sealed. Because it comes with an anti-counterfeiting seal, once the security anti-counterfeiting plastic bag is opened, the anti-counterfeiting seal will reveal the reserved characters or show the reserved anti-counterfeiting character pattern (VOID,VOID OPEN, opened, etc.). It serves as a warning to prevent opening, opening and theft. Specification of the Security Bag /Anti-counterfeiting bag/Anti-counterfeiting security bag.