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Level 4 Security Bag Seal Tape | Anti-Counterfeiting Features | China Suppliers & Factory
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Level 4 Security Bag Seal Tape | Anti-Counterfeiting Features | China Suppliers & Factory

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The Level 4 security bag seal tape is an advanced anti-counterfeiting solution, offering superior protection compared to Level 2 security bags. This product incorporates all the anti-counterfeiting features of a second-level bag, such as the display of VOID text upon any tampering attempts in the adhesive area. Additionally, the Level 4 security bag possesses unique features not found in Level 2 bags, including the capability for VOID text to turn red at elevated temperatures. Furthermore, the words Tamper-Evident will melt, blur, or disappear if the seal is compromised using water or chemical solvents. This makes our Level 4 anti-counterfeiting bags, manufactured in our China factory, an exceptional choice for suppliers seeking enhanced protection for their products against unauthorized access in any temperature or by chemical means. Trust in our factory to provide you with the highest-level security solutions to keep your products safe.

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  • Bag Size: Can be customized , OEM/ODM
  • Hidden Message(Text): VOID, OPEN VOID, OPENED, Custom

Product Parameter

Specification of the Tamper Evident Security Bag:

Product Name Level 4 Security Bags Seal Tape
Face Stock LDPE / PP
Function Anti-Theft  |  Anti-Copy  |  Anti-Counterfeit
Bag Size Can be customized
Release Liner PET
Hidden Message (Text) VOID, OPEN VOID, OPENED, Custom
Surface Print Offer
OEM / ODM Both
Delivery By Air or By Sea

Product Photos

Anti-counterfeiting Seal test
Security Bag Seals
Security Bag Seal

Our Level 4 Security Bag Seal Tape — Key Features

Level 4 Security Bag Seal Tape
1 It can withstand low temperature to minus forty degrees, and to high temperature 80 degrees.
2 Anti-counterfeiting property: The seal is usually printed with anti-counterfeiting patterns or text. Once it is illegally opened, these patterns or text will change or disappear, thereby proving that the bag has been opened.
3 Easy to use: Anti-counterfeiting seals are usually designed to be self-adhesive, making it convenient for users to directly stick them on bags for sealing.
4 Security Assurance: By using anti-counterfeiting seals, the bags can be effectively prevented from being illegally opened or tampered with, thereby ensuring the safety of the items inside the bags.

How to Use

The Application of Level 4 Security Bag Seal Tape:

Level 4 security bag seal tape can be used in various bags, such as evidence bags, cash bags, deposit bags, tax-free security bags, express security bags and other security bags.

Evidence Bags Cash Bags Deposit Bags Tax-Free Security Bags Express Security Bags

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Frequently Asked Questions

Q What is a Level 4 security bag seal tape?
Level 4 security bag seal tape is a high-security adhesive seal designed to provide maximum tamper-evidence protection. It features anti-counterfeiting patterns, hidden messages (such as VOID or OPENED), and strong adhesion to prevent unauthorized access to sealed bags.
Q What temperature range can the seal tape withstand?
The Level 4 security bag seal tape is engineered to perform reliably in extreme temperatures — from as low as -40°C (-40°F) up to +80°C (176°F), making it suitable for cold-chain logistics and high-temperature environments.
Q Can the bag size and print be customized?
Yes. Both the bag size and surface print are fully customizable. We support OEM and ODM orders, allowing you to add your company logo, brand colors, serial numbers, barcodes, or any custom text to the seal tape.
Q What types of bags is this seal tape compatible with?
The Level 4 security bag seal tape is compatible with a wide range of security bags, including evidence bags, cash bags, deposit bags, tax-free shopping bags, and express courier security bags. It adheres reliably to LDPE and PP bag materials.
Q How does the hidden message anti-tamper feature work?
When the seal is peeled off or tampered with, the hidden message (e.g., VOID, OPEN VOID, or OPENED) becomes permanently visible on the bag surface. This irreversible change provides clear visual evidence that the bag has been opened, making any tampering immediately detectable.
Q What are the available shipping and delivery options?
We offer flexible delivery options to meet your logistics needs. Products can be shipped by air for fast delivery or by sea for cost-effective bulk orders. Please contact us with your order quantity and destination for a tailored shipping quote.