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.

Medium Pull-Tight Security Seal – 250mm – 490mm is a heavy-duty tamper-evident sealing solution designed for securing medium to large-sized containers, bags, and industrial equipment. It features a strong one-way pull-tight locking mechanism that ensures the seal cannot be reopened without visible damage, providing reliable protection against unauthorized access. Manufactured from high-quality copolymer polypropylene (CO-PP), it offers excellent durability, flexibility, and resistance to harsh environmental conditions. The extended length range of 250mm to 490mm makes it suitable for bulk cargo, oversized packaging, and industrial applications. Each seal can be customized with serial numbers, barcodes, or QR codes for improved traceability and security control. Its lightweight yet strong design ensures easy application in logistics and high-volume operations. Ideal for logistics, cargo, utilities, and industrial sectors, it delivers dependable security and operational efficiency.
A high-coverage sealing solution designed for larger applications, offering extended reach, strong locking performance, and dependable tamper-evident protection for cargo and logistics operations.
A flexible and practical security seal suitable for diverse applications, providing adjustable sizing, secure locking, and reliable tamper evidence for everyday warehouse and transport use.
Extended 250mm–490mm Range
Provides flexibility for medium to large sealing applications, including bulk and oversized items.
One-Way Pull-Tight Lock
Ensures secure locking that cannot be reversed without breaking, offering clear tamper evidence.
Durable CO-PP Material
Made from copolymer polypropylene for high strength, flexibility, and resistance to UV and environmental stress.
Custom Serial Numbering
Supports laser-printed serial numbers, barcodes, or QR codes for accurate tracking and traceability.
Heavy-Duty Security Design
Built for demanding logistics and industrial environments requiring stronger and longer seals.
Tamper-Evident Protection
Clearly shows any interference, helping maintain product integrity and security compliance.
• 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
• Retail & Distribution Operations
• Airline & Cargo Handling
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