150mm to 320mm 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 Write-On Label – 150mm – 320mm is a secure and tamper-evident sealing solution designed for applications requiring both security and on-spot identification. It features a one-way ratchet locking mechanism that ensures the seal cannot be reopened without visible damage. The integrated write-on label allows users to manually mark important information such as dates, codes, or signatures for quick identification. Made from durable copolymer polypropylene (CO-PP), it offers flexibility, strength, and resistance to environmental conditions. The adjustable length makes it suitable for a variety of small to medium sealing needs. Its lightweight design ensures quick and easy application in fast-paced environments. Ideal for logistics, utilities, healthcare, and inventory control, it enhances both security and traceability.
A compact pull-tight sealing solution designed for lighter cargo applications, offering easy handling, consistent locking performance, and reliable tamper-evident protection for everyday logistics and warehouse use.
A traceable security seal featuring sequential numbering for improved tracking and accountability, ideal for cargo control, inventory management, and logistics operations requiring clear identification and tamper-evident security.
One-Way Ratchet Lock
Ensures the seal locks securely and cannot be opened without breaking, providing clear tamper evidence.
Write-On Label Area
Built-in writable surface allows easy marking with pen or marker for instant identification and record-keeping.
Durable CO-PP Material
Made from high-quality copolymer polypropylene, offering strength, flexibility, and UV resistance for indoor and outdoor use.
Custom Numbering Option
Can include serial numbers, barcodes, or QR codes for improved tracking and operational control.
Adjustable 150mm–320mm Length
Versatile size range suitable for securing bags, containers, meters, and equipment.
Tamper-Evident Design
Provides visible proof of interference, ensuring product integrity and preventing unauthorized access.
• Courier & Delivery Bags
• Utility Meter Sealing (Electricity, Gas, Water)
• Cash Bags & Security Envelopes
• Medical & Pharmaceutical Kits
• Warehouse & Inventory Control
• Document & Evidence Bags
• Food & Beverage Containers
• Retail & Distribution Packaging
• Customs & Inspection Use
• Airline & Transport Logistics
Standard Orders
Custom / OEM Orders
For branding, custom labels, or special requirements:
• Provide logo/design file (PDF, AI, or high-resolution PNG)
• Specify numbering format and range
• Minimum order: depends on customization
• Lead time: 10–15 business days