High security seals provide the highest level of protection against tampering, theft, and unauthorised access throughout the supply chain. Designed for high-risk applications, they help safeguard shipping containers, trailers, and high-value cargo during domestic and international transportation.

Manufactured to meet the requirements of ISO 17712, these seals deliver reliable, tamper-evident security and are recognised by customs authorities and logistics providers worldwide. Browse our complete range to find the right seal for your operational and compliance requirements.

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ISO 17712 Compliance

All high security seals supplied by Mega Fortris UK are manufactured in accordance with ISO 17712:2013 standards. This certification ensures that each seal meets strict requirements for strength, durability, and tamper evidence.

Using ISO-compliant seals is essential for international shipping and is often required for customs clearance and security programmes such as C-TPAT.

Built for Strength & Reliability

High security seals are engineered using robust materials such as hardened steel and heavy-duty locking mechanisms. Designed to withstand cutting, impact, and tampering attempts, they provide a strong physical deterrent alongside clear visual evidence of interference.

This combination of strength and tamper indication makes them a critical component in protecting goods across complex, high-risk logistics operations.

Seal Identification & Traceability

Each high security seal features a unique identification number, supporting full traceability throughout the supply chain. This allows shipments to be monitored, recorded, and verified at every stage of transit.

Optional features such as barcoding, QR codes, and custom marking can further enhance tracking, helping to reduce the risk of fraud, substitution, or unauthorised access.

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