L4 Thermochromic Security Courier Bags

L4 Security Bags

Our L4 Security Bags (Thermochromic Bags) offer the highest level of tamper evidence through dual-layer protection, including temperature-sensitive thermochromic ink. These are ideal for handling high-value or extremely sensitive items, where maximum security is critical.

Features:

Multi-layer co-extruded LDPE for maximum strength
Thermochromic ink reveals tampering via heat or cold exposure
Tamper-evident permanent adhesive with VOID message if opened
Number of audits as per requirement
Unique serial numbers, barcodes, and QR codes for traceability
Custom sizes and optional POD jacket available
Minimum Order Quantity: 50,000 pcs per size

Ideal For:

Specifically designed for gold loan packets, high-value document transfers, secured banking operations, government tenders, legal files, and forensic evidence. Thermochromic security ensures any attempt to open or alter the bag using temperature manipulation is instantly and permanently visible.

When security demands the highest standards — trust L4 Thermochromic Bags.

drop your specifications

L4 Thermochromic Security Courier Bags

L4 Security Bags

Features:

Ideal For:

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