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.

Pull-Tight Seal with Round Loop – 250mm – 490mm is a durable and tamper-evident sealing solution designed for secure fastening of large bags, containers, and industrial equipment. It features a strong one-way pull-tight locking mechanism combined with a round loop design for easy insertion, tightening, and secure locking. Once applied, the seal cannot be reopened without visible damage, ensuring reliable tamper evidence. Manufactured from high-quality copolymer polypropylene (CO-PP), it offers excellent strength, flexibility, and resistance to environmental conditions. The extended length range of 250mm to 490mm makes it suitable for heavy-duty and oversized sealing applications. Each seal can be customized with serial numbers, barcodes, or QR codes for enhanced traceability and control. Ideal for logistics, cargo, utilities, and industrial sectors, it ensures secure handling and operational efficiency.
A versatile medium-duty sealing solution designed for cargo, logistics, and warehouse applications, offering reliable tamper-evident protection with adjustable length performance.
An extended-range pull-tight seal built for flexible securing needs across larger applications, ensuring strong locking strength and dependable tamper-evident security during transport and storage.
Round Loop Design
Provides easy handling and smooth tightening, ensuring quick and secure application.
One-Way Pull-Tight Lock
Locks firmly and cannot be reversed without breaking, delivering clear tamper evidence.
Durable CO-PP Material
Made from copolymer polypropylene for high strength, flexibility, and resistance to UV and harsh environments.
Custom Serial Numbering
Supports laser-printed serial numbers, barcodes, or QR codes for accurate tracking and traceability.
Extended 250mm–490mm Range
Ideal for large-scale and heavy-duty sealing requirements including bulky containers and cargo.
Tamper-Evident Protection
Clearly shows any interference, helping maintain security and product integrity.
• Cargo & Freight Containers
• Oversized Logistics Shipments
• Industrial Equipment Sealing
• Warehouse & Bulk 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