Security bag with a red VOID security tape closure system, which denounces the violation by manual opening or through the application of freon gas, presenting the word VIOLATED under the flap. Its use is suitable for transporting simple documents, and for sending cards or checkbooks by mail through financial institutions.

1 - Normal evidence

  • The envelope shows signs of tampering (Damaged) when trying to open it manually.

2 - Cold Evidence

  • The message “Violated” appears when attempting to open at extremely low temperatures or using freon gas.