250mm to 490mm available in total length. In case of any specification, we can make a new mold. If a client is regular, providing around 50,000+ quantity, we can adjust the price, with the mold included in quantity advance payment.

Long Pull-Tight Security Seal – 250mm – 490mm is a heavy-duty tamper-evident sealing solution designed for securing large containers, oversized bags, and industrial cargo. It features a strong one-way pull-tight locking mechanism that ensures the seal cannot be reopened without visible damage, providing maximum security against unauthorized access. Manufactured from premium-grade copolymer polypropylene (CO-PP), it offers excellent tensile strength, durability, and resistance to harsh environmental conditions. The extended 250mm to 490mm length makes it ideal for large-scale and heavy-duty applications requiring extra reach. Each seal can be customized with serial numbers, barcodes, or QR codes for enhanced traceability and operational control. Its lightweight yet strong construction allows for efficient application in logistics and industrial environments. Ideal for cargo, transport, utilities, and warehouse operations, it ensures reliable security and performance.
Extended Long-Length Design
Provides extra reach (250mm–490mm) for securing large containers and bulky cargo.
One-Way Pull-Tight Lock
Ensures strong locking that cannot be reversed without breaking, offering clear tamper evidence.
Durable CO-PP Material
Made from high-quality copolymer polypropylene for strength, flexibility, and environmental resistance.
Custom Serial Numbering
Supports laser-printed serial numbers, barcodes, or QR codes for tracking and traceability.
Heavy-Duty Performance
Designed for demanding industrial and logistics applications requiring longer sealing capacity.
Tamper-Evident Protection
Clearly indicates any interference, helping maintain security and product integrity.
• Cargo & Freight Containers
• Bulk Logistics Shipments
• Industrial Equipment Sealing
• Warehouse & Storage Units
• Utility & Infrastructure Security
• Cash-in-Transit Bags
• Customs & Border Security
• Pharmaceutical & Medical Shipments
• Airline & Cargo Handling
• Retail & Distribution Operations
Standard Orders
Custom / OEM Orders
For branding or specialized requirements:
• Share logo/design file (PDF, AI, or high-resolution PNG)
• Specify serial number format and range
• Minimum order: based on customization requirements
• Lead time: 10–15 business days