High Safety Clothing Garment Seal Custom Number Seal with Mini Pull Tight Length 18cm for Bank Bag Vote Box Tag

Plastic seals are security devices made primarily from engineering plastics, designed to prevent counterfeiting, theft, and tampering. They are widely used across various industries and applications, with the core function of ensuring the integrity and safety of items during transportation or use. The plastic seal is a one-time use self-locking seal. Its colors are highly diverse, allowing for customization of colors and printing of logos. The size specifications are also quite varied. The plastic seals have adjustable lengths and possess anti-counterfeiting and anti-tampering functions. They are mainly used in logistics transportation, medical and storage fields, as well as for special sealing of video and beverage products, and plastic labels for bags and clothes.Transportation & Logistics‌
‌Truck and container seals‌: Made from ‌polypropylene‌, these high-strength seals (up to 55 lb breaking strength) secure cargo doors and fuel tanks. Numbered and laser-printed versions allow traceability.
‌Submarine hatches‌: Large plastic seals made from ‌Nylatron™ MC 907 PA6‌ close acrylic spheres in manned submersibles, meeting strict marine safety standards without needing lubrication. plastic seals‌ are tamper-evident or sealing devices made primarily from plastic materials, designed to secure containers, equipment, or systems against unauthorized access, contamination, or leakage. They are widely used across industries for their durability, cost-effectiveness, and traceability.

Plastic seals are widely used across a broad range of industries to ensure product integrity, tamper evidence, cargo security, and operational compliance. As an essential component in modern supply chain security systems, they play a critical role in preventing unauthorized access, detecting tampering, and maintaining traceability throughout transportation and storage processes.

These security seals are extensively applied in industries such as food production, pharmaceutical manufacturing, energy distribution, transportation logistics, customs inspection, banking security, and scientific research environments, where strict safety standards and reliable sealing performance are required.

In practical applications, plastic seals are commonly used for securing truck doors, trailer locking systems, cargo totes, industrial valves, airline catering trolleys, cash and coin bags, inner drum liners, storage sacks, and any container equipped with a locking hasp or loop structure. Their flexible design and easy application make them suitable for a wide variety of sealing scenarios across different sectors.

In the logistics and freight industry, plastic security seals are widely adopted to secure shipping containers, tanker trucks, rail cargo units, and courier packaging bags, effectively preventing theft, contamination, and unauthorized opening during transit. Their single-use breakaway structure combined with unique serial numbering or barcoding systems ensures that any attempt at tampering is immediately visible and traceable, significantly improving cargo security and supply chain transparency.

In modern e-commerce and express delivery systems, single-use anti-counterfeit plastic seals (also known as security tags) are increasingly used to enhance packaging protection and brand credibility. These seals can be customized with company logos, serial numbers, QR codes, or embossed surface patterns, helping businesses improve brand recognition while also strengthening customer trust and product authenticity verification.

Within the utilities and metering sector, plastic padlock seals such as AC&M Type 7001 are widely utilized for securing electric meters, water meters, and gas meters. These seals provide a durable, tamper-indicating, and disposable locking solution, making them especially suitable for smart metering systems where long-term stability, low maintenance, and remote monitoring are required.

Advanced Material Composition & Engineering Performance

Plastic security seals are manufactured using carefully selected engineering-grade polymers designed for durability, flexibility, and environmental resistance:

• Polypropylene (PP): A lightweight yet durable material offering excellent resistance to moisture, chemical exposure, and UV radiation. It is widely used in outdoor logistics, transportation, and general industrial applications where environmental conditions vary.
• Acetal Copolymer (POM): Known for its high mechanical strength, rigidity, and low friction properties, making it ideal for precision locking mechanisms and applications requiring repeated handling or higher mechanical stress.
• Polycarbonate (PC): A high-impact-resistant material that also offers excellent transparency, allowing users to visually inspect sealing integrity and detect tampering easily. It is commonly used in high-security inspection applications.
• Plastisol: A flexible PVC-based sealing compound used primarily as a gasket or liner material in metal cap systems. It creates airtight and leak-proof seals, especially in food packaging and hot-fill container applications.

Wide-Ranging Industry Applications

Plastic security seals are trusted across multiple industries for their reliability, cost-effectiveness, and tamper-evident performance:

• Logistics & Freight Transportation: Used to secure containers, trailers, trucks, and cargo doors, ensuring goods remain sealed and protected from theft or unauthorized access throughout transit.
• Food & Pharmaceutical Industry: Applied in induction sealing systems and cap liners to preserve sterility, prevent contamination, and maintain product freshness during storage and distribution.
• Banking & Security Services: Used for securing cash bags, evidence containers, and sensitive asset transportation systems, providing strong chain-of-custody assurance and tamper detection capabilities.
• Industrial & Utility Sectors: Widely used in energy, water, and gas metering systems to prevent unauthorized interference and ensure accurate consumption tracking.

Conclusion – Reliable Global Security Seal Solution

With their combination of high security performance, cost efficiency, versatility, and customization capabilities, plastic seals have become one of the most widely adopted tamper evident solutions in global industries. They provide an effective balance between security protection, operational convenience, and branding potential, making them indispensable for modern logistics and industrial security systems.

As global supply chains continue to demand higher levels of safety and traceability, plastic security seals remain a trusted and essential solution for companies seeking reliable cargo protection and long-term operational security.

1.Low cost with durable material & Single-use irreversible design

2.High-strength materials: Made of PP or engineering plastics, offering stable tensile strength

3.Factory direct sales with good price, Customizable samples available. Strict quality control.

4.With rich export experience and export qualifications, we can offer various transportation methods including sea, land and air.

5.Anti-counterfeiting and traceability: Supports laser engraving, unique serial numbering, tamper-evident markings; certain models integrate RFID technology for digital monitoring.

6.User-friendly operation: Sealing can be completed with one hand, tool-free, suitable for high-frequency operation environments.

7.Material Advantages‌
Common materials include:

‌HDPE‌: Durable, chemically resistant, and cost-effective for general-purpose sealing.
‌PP‌: Resists chemical deterioration, ideal for sensitive goods like pharmaceuticals.
‌Elastomer-blended plastics‌: Combine flexibility and recovery, bridging the gap between rigid plastics and flexible rubbers.

8.Lightweight & Easy to Install‌
Plastic seals are significantly lighter than metal alternatives, reducing overall system weight—especially beneficial in automotive and aerospace applications. Their design often allows for tool-free installation, speeding up assembly processes and lowering labor costs.

9.Tamper-Evident & Secure Tracking‌
Many plastic security seals are ‌one-time use‌ with visible locking mechanisms. Once broken, resealing without detection is nearly impossible. Features like ‌laser-printed serial numbers‌, ‌barcodes‌, ‌color coding‌, and ‌holograms‌ enable full traceability and audit compliance in logistics, elections, and pharmaceuticals.

10.Customizable & Adjustable Design‌
Pull-tight plastic seals can be adjusted to fit various container sizes, making them ideal for irregularly shaped packages or variable cargo. This adaptability enhances usability across different sectors—from securing voting machines to sealing utility boxes.

1. Q: Who are we?
A: We are based in Shandong, China, start from 2012, sell to Mid East, South Asia, Northern Europe,Africa, North America, Western Europe. There are total about 200-300 people in our office.

2. Q: How can we guarantee quality?
A: Always a pre-printing sample before mass production;
Always final Inspection before shipment;

3. Q: What can you buy from us?
A: bolt seal,cable seal,plastic seal,meter seal,metal strap seal, etc.

4. Q: Why should you buy from us not from other suppliers？
A: 12 years experiences, 300 sets of models with different style , meet your different demands with fast delivery. All our material is environmental, we won many honors from government. Our goods are popular in 300 countries.

5. Q: Do you accept custom orders?
A: Yes. We provide comprehensive OEM & ODM customization services, including:
LOGO printing and unique serial numbering
Customized sizes, colors, materials, and packaging

6.Q: What certifications do you have?
A: We maintain a complete and internationally recognized certification system, including:
ISO 9001 – Quality Management System
ISO 14001 – Environmental Management System
ISO 45001 – Occupational Health & Safety Management System
ISO 17712 – High-Security Seal Certification
Third-party test reports from SGS and other authorized institutions