VOID Tamper Evident High Security Courier Bags

Description

Level 4 VOID Tamper Evident High Security Courier Bags

• Level 4 tape (highest level) offers improved features including detection of tampering using liquids and solvents, heat and Freon.
• VOID OPEN will appear after peeled.
• The “water” will disappear after watered.
• The white line will change into color after heated or frozen.
• Colors, hidden message, water-evidence, heat-proof, cold-active can be customized.