Fixed-Length Plastic Security Seals
- MOQ: Flexible and fully customizable based on your volume and custom printing requirements.
- Dimensions & Length: Standard industry lengths available, or fully customizable to fit your specific latches.
- Tensile Strength: Engineered with durable materials for optimal breaking strength without accidental transit snapping.
- Surface Printing: Customizable high-contrast laser engraving for corporate logos, barcodes, and sequential serial numbers.
- Security Mechanism: Features a rapid “click-to-lock” one-way mechanism; requires a cutting tool for authorized removal.
Description
Streamline your logistics and retail distribution with our premium fixed-length plastic security seals. Unlike adjustable zip ties that tightly bind to equipment, these seals lock into a predetermined loop size. This provides essential “play room” to prevent accidental breakage caused by the violent movement and vibration of truck trailer doors or container latches during transit.
Widely trusted as durable plastic truck seals, they feature a fast, one-handed “click-to-lock” mechanism that dramatically speeds up high-volume sealing operations.
As a direct manufacturer, we provide fully customizable surface printing, including corporate logos, sequential numbers, and scannable barcodes, ensuring uncompromised security and accurate tracking for your global supply chain.
Feature
- Predetermined Loop Size: Creates a fixed ring that prevents binding and tension-related breakage during heavy transit movement.
- Rapid Click-to-Lock: The simple snap-together mechanism allows for ultra-fast, tool-free application with just one hand.
- Custom Tracking Data: The large, flat flag area supports high-contrast, fade-resistant laser printing for barcodes, QR codes, and logos.
- Sequential Numbering: Includes pre-printed or custom-printed sequential serial numbers to ensure strict, accurate audit trails.
- Visual Tamper Evidence: Designed for single use; any attempt to pry or manipulate the locking chamber leaves obvious, irreversible physical damage.

Specifications
| Specification | Detail |
|---|---|
| Total Length | 150mm - 250mm (Fully customizable based on application) |
| Color | Blue, Red, Yellow, Green, White, or custom Pantone colors |
| Flag Size | Fully customizable to accommodate your specific printing needs |
| Surface Printing | Custom laser engraving (Logos, barcodes, QR codes, serial numbers) |
| Locking Mechanism | Fixed-length snap/click lock (Non-adjustable) |
| Packaging | Custom bundles, poly bags, or heavy-duty export cartons |
| Material | Premium High-Density Polypropylene (PP) / Acetal locking insert |
Only 3 Steps To Start

Application
Certificate



FAQs
A: Fixed-length seals are ideal for moving vehicles (like trucks and railcars). Because they lock into a loose ring, they allow for the natural shifting and vibration of truck doors during transit. A pull-tight seal pulled too tightly might accidentally snap under the same transit stress. They are also much faster to apply.
A: As a direct manufacturer, we offer flexible MOQs. Standard blank or pre-numbered seals have a very low minimum, while fully customized orders with your specific logo and barcodes require a baseline volume. Contact us for an exact quote.
A: Yes, surface printing is 100% customizable. We utilize advanced laser engraving technology to print fade-resistant corporate logos, sequential numbers, and scannable barcodes directly onto the flag area.
A: Absolutely. We highly encourage physical testing. We provide free stock samples so you can evaluate the locking strength, application speed, and printing quality in your actual operational environment before committing to mass production.








