inquiry
Leave Your Message
Level 4 Security Bag Seal - Anti-Counterfeiting Solutions by China Suppliers and Factory
Hot Products
Products Categories
Featured Products
Matte Red Total-transfer Void Label Material

Matte Red Total-transfer Void Label Material
Bank Deposit Bag LDPE/PP Material

Bank Deposit Bag LDPE/PP Material
Logistics/Express Security Bag

Logistics/Express Security Bag
OEM/ODM Evidence Security Bag

OEM/ODM Evidence Security Bag
Fluorescent paper tamper evident label material

Fluorescent paper tamper evident label material
Packing List Enclosed

Packing List Enclosed
Duty-free Security Bag

Duty-free Security Bag
Security bag/Tamper-evident Bag

Security bag/Tamper-evident Bag
Level 2 purple Security Bag Seal

Level 2 purple Security Bag Seal
Level 4 Security Bag Seal Tape

Level 4 Security Bag Seal Tape
0102030405
Level 4 Blue Security Bag Seal1.jpg
Level 4 Blue Security Bag Seal (5).jpg
Level 4 Blue Security Bag Seal (6).jpg
Level 4 Blue Security Bag Seal (2).jpg
Level 4 Blue Security Bag Seal (3).jpg
Level 4 Blue Security Bag Seal (1).jpg
Level 4 Blue Security Bag Seal (9).jpg
Level 4 Blue Security Bag Seal (8).jpg
Level 4 Blue Security Bag Seal (11).jpg
Level 4 Blue Security Bag Seal (10).jpg
Level 4 Blue Security Bag Seal (7).jpg

Level 4 Security Bag Seal - Anti-Counterfeiting Solutions by China Suppliers and Factory

Product Description of Level 4 Security Bag Seal:
The Level 4 security bag seal is designed with advanced anti-counterfeiting features, making it an essential choice for secure transportation and logistics. Manufactured in China, our seals utilize a high-quality PET or PO anti-counterfeiting material, specifically engineered for security bags, logistics bags, and anti-tampering applications. The unique bonding process with the protective membrane ensures a reliable seal, One of the standout characteristics of our security bag seal is its temperature-sensitive indicator. When exposed to high temperatures above 60 degrees Celsius, the word VOID in the designated area turns bright red, signaling tampering or unauthorized access attempts. This clear, intuitive change occurs rapidly, offering a visible deterrent against theft, Conversely, if the bag is subjected to low temperatures of 0 degrees Celsius or lower, or if an attempt is made to open it under these conditions, the anti-counterfeiting messages will fade, further enhancing security. Additionally, contact with water or solvents will cause the tamper-evident text to disappear, providing unmistakable evidence of interference, As a leading factory and supplier in China, we prioritize quality and security in our products. Our Level 4 security bag seal is perfect for businesses looking to safeguard their shipments and ensure the integrity of their contents
    Contact us
    Product Details

    Product Parameter

    Specification of the Level 4 Security Bag Seal:

    Product Name Level 4 Security Bag Seal
    Face Stock PET/PO
    Function Anti-Theft; Anti-copy; Anti-counterfeit
    Face Film Thickness 25micron
    Adhesive Hot melt adhesive
    Colors Red, Blue, Yellow, Matt Silver, ect, or customized
    Size Can be customized
    Hidden Message (Text) VOID, OPEN VOID, OPENED, Custom
    Transfer Partial Transfer
    Surface Print Offer
    OEM/ODM Both
    Delivery By Air or By Sea
    Product Photos
    Level 4 Blue Security Bag Seal (2)
    Level 4 Blue Security Bag Seal (3)
    Level 4 Blue Security Bag Seal (9)
    Level 4 Blue Security Bag Seal (8)
    Level 4 Blue Security Bag Seal (10)
    Features of Level 4 Security Bag Seal
    Level 4 Blue Security Bag Seal Features

    The surface of the security bag seal is the temperature indicator layer. Once the temperature is 60 degrees or above, the temperature sensitive layer will change quickly, usually white to red, and the temperature to red information is rapid, clear, conspicuous and intuitive. When the bag is exposed to a low temperature of 0 degrees or less, or when you tries to open through a low temperature, the anti-counterfeiting characters will fade. If the security bag seal meet the water or solvent, the tamper evident word will be disappeared.

    How to Use
    The application of Level 4 Security Bag Seal: The Level 4 Security Bag Seal is applied in anti-counterfeiting, anti-theft, and anti-opening scenarios. Used in logistics, banks, etc., it detects unauthorized openings, serving IT, medicine, and other industries.
    Product Application

    The application of Full transfer anti-counterfeiting label:

    Widely used in IT electronics, electrical appliances, security, medicine, chemical, shopping malls, banks and other fields.

    Security Bag Seal Application (1)
    Security Bag Seal Application (2)
    Security Bag Seal Application (3)
    Security Bag Seal Application (4)

    Leave Your Message

    Frequently Asked Questions (FAQ)
    Q What is a Level 4 Security Bag Seal and how does it work?
    The Level 4 Security Bag Seal is a high-security tamper-evident label made from PET/PO material with hot melt adhesive. It features a temperature-sensitive surface layer that changes color (typically white to red) when exposed to temperatures of 60°C or above, and anti-counterfeiting characters that fade under extreme cold or when exposed to water or solvents — providing clear, immediate evidence of tampering.
    Q Can the Level 4 Security Bag Seal be customized in size and color?
    Yes. The Level 4 Security Bag Seal fully supports OEM and ODM customization. Available colors include Red, Blue, Yellow, Matt Silver, and more. The size can be tailored to your specific requirements. Custom hidden messages such as VOID, OPEN VOID, OPENED, or any custom text can also be incorporated.
    Q What industries are Level 4 Security Bag Seals suitable for?
    Level 4 Security Bag Seals are widely used across multiple industries including IT electronics, electrical appliances, security, medicine, chemicals, retail shopping malls, banking, and logistics. They are ideal for any application requiring anti-theft, anti-counterfeiting, and tamper-evident protection.
    Q What type of transfer does the Level 4 Security Bag Seal use?
    The Level 4 Security Bag Seal uses Partial Transfer technology. When the seal is removed, it leaves a partial pattern or message on the surface it was applied to, making any unauthorized opening immediately visible and impossible to conceal.
    Q What are the shipping options for the Level 4 Security Bag Seal?
    Orders can be shipped either By Air or By Sea, depending on your delivery timeline and quantity requirements. Please contact us with your order details so we can recommend the most suitable and cost-effective shipping method for your needs.
    Q Does the Level 4 Security Bag Seal support surface printing?
    Yes, surface printing is available for the Level 4 Security Bag Seal. You can add your brand logo, serial numbers, barcodes, QR codes, or any custom artwork to the seal surface. Both OEM and ODM services are supported to meet your branding and security requirements.