Tamper Proof envelopes are made of Co-Extruded Polyethylene Films, which is either black
inside and white outside or can be transparent. This envelopes are having adhesive strips for
easy and permanent closure. It has a special seal of security with empty letters showing
evidence of manipulation. If anyone tries to tamper this envelope, VOID letters will be
transferred which helps to avoid tampering.
• Adhesive Closure
These envelopes are ideal for departments that frequently deal with private information,
featuring a security tint that masks the content inside.