Tamper Proof Tapes for Courier Bags and Delivery Security Packaging
Tamper Proof Tapes for Courier Bags are security bag sealing tapes designed for courier bags, delivery bags, mailer bags, express envelopes, logistics packaging, e-commerce parcels, confidential document bags, and OEM/ODM security bag production. They provide visible tamper evidence when someone tries to open, peel, lift, reseal, or manipulate the bag closure during delivery.
Compared with ordinary courier bag adhesive strips, tamper proof tapes are designed to reveal hidden VOID, OPENED, or custom warning evidence after removal attempts. This helps logistics companies, courier services, packaging suppliers, e-commerce sellers, and brand owners identify unauthorized opening, package replacement, product switching, and resealing during transportation.
How Tamper Proof Tapes for Courier Bags Work
Tamper Proof Tapes for Courier Bags use a multi-layer tamper evident structure, including face material, hidden security message layer, adhesive system, color layer, release liner, and optional functional coating. After the tape is applied to the courier bag sealing area, it creates a security closure that cannot be opened cleanly without leaving evidence.
When someone attempts to peel, lift, remove, heat, or reseal the tape, the hidden VOID or OPENED message appears. Depending on the selected tape structure, the evidence can transfer to the courier bag surface, remain on the tape face, or create a partial transfer effect.
Why Choose Tamper Proof Tapes for Courier Bags?
Tamper Proof Tapes for Courier Bags are useful when customers need a stronger closure solution than standard courier bag adhesive strips. Courier parcels may pass through multiple handling points, warehouses, sorting centers, delivery drivers, and final recipients. A tamper evident sealing tape helps make unauthorized opening easier to detect during this process.
For courier bag manufacturers, logistics packaging suppliers, e-commerce packaging factories, and security bag distributors, this tape provides a practical material solution for producing tamper evident courier bags with customized warning text, logo, barcode, QR code, serial number, and hidden security message.
Key Features of Hanksec Tamper Proof Tapes for Courier Bags
- Designed for courier bags, delivery bags, mailer bags, and express envelopes
- Visible VOID or OPENED evidence after opening attempts
- Helps prevent unauthorized opening, resealing, package replacement, and product switching
- Available in full transfer, partial transfer, non-transfer, and customized security structures
- Custom logo, warning text, barcode, QR code, sequence number, and hidden message available
- Supports different tape widths, roll lengths, adhesive strengths, liner types, and bag film structures
- Can be supplied as finished rolls, slit rolls, jumbo rolls, or OEM security bag tape materials
- OEM and ODM support for courier bag factories, logistics packaging suppliers, converters, and distributors
Recommended Applications
Tamper Proof Tapes for Courier Bags are commonly used for express courier bags, e-commerce mailer bags, delivery bags, confidential document bags, return packaging bags, logistics envelopes, warehouse transfer bags, medical sample bags, evidence transport bags, and high-value parcel packaging.
For courier and e-commerce packaging, the tape helps recipients check whether the package has been opened before arrival. For document and confidential delivery bags, it helps protect sensitive information during transport. For logistics packaging suppliers, it adds higher security value to standard courier bag products.
Tamper Proof Tapes for Courier Bags vs Ordinary Courier Bag Adhesive Strips
Ordinary courier bag adhesive strips mainly provide closure strength. They may be opened or resealed without clear visible evidence on some bag films. Tamper Proof Tapes for Courier Bags are different because they are designed to reveal irreversible tamper evidence after removal attempts.
If the customer only needs basic mailing or delivery packaging, ordinary adhesive strips may be enough. If the package contains confidential documents, branded products, return goods, samples, evidence, or high-value items, tamper proof courier bag tape provides stronger security inspection value.
Tamper Proof Tapes for Courier Bags Transfer Options
Different courier bag applications require different tamper evidence effects. Full transfer tape leaves strong VOID evidence on the bag surface after removal. Partial transfer tape leaves part of the evidence on the bag surface and part on the tape face. Non-transfer tape keeps the applied surface cleaner while showing evidence on the tape itself.
Customers should select the correct transfer structure according to courier bag film type, residue requirement, security level, inspection method, and final delivery environment. Sample testing is recommended before confirming bulk production.
Custom Tamper Proof Tapes for Courier Bags Options
Hanksec can customize Tamper Proof Tapes for Courier Bags according to tape width, roll length, hidden message, adhesive strength, residue level, release liner, face material, color, printing layout, barcode type, sequence number format, and final courier bag production process.
Common customization options include VOID, OPENED, ABIERTO, custom logo, warning text, private hidden message, white tape, blue tape, red tape, transparent tape, barcode, QR code, serial number, easy tear design, jumbo roll supply, slit roll production, and OEM security bag tape structures.
Production and Converting Compatibility
Tamper Proof Tapes for Courier Bags should be tested with the customer’s actual bag-making, sealing, slitting, rewinding, laminating, and converting process before bulk production. Important production factors include roll tension, liner release force, adhesive bonding, hidden message clarity, cutting edge quality, machine speed, tape alignment, and final bag sealing strength.
For courier bag factories and packaging converters, stable roll release and consistent tamper evidence performance are important. Hanksec can provide sample testing support to help customers confirm bonding performance, VOID clarity, roll stability, and final production compatibility before mass production.
Surface Compatibility and Testing
Before bulk orders, customers should test Tamper Proof Tapes for Courier Bags on the real bag film. HDPE, LDPE, PE, co-extruded film, recycled plastic, laminated courier bags, matte bag film, glossy bag film, and printed mailer bags may show different bonding and tamper evidence results.
Important testing points include peel adhesion, VOID message clarity, residue visibility, adhesive bonding, edge lifting resistance, liner release force, roll stability, barcode readability, QR code scanning, and final appearance after removal. Testing under real storage, transport, and delivery conditions is recommended before confirming large-volume orders.
How to Choose Security Bag Tapes by Different Security Levels
Security bag tape, also known as tamper evident bag sealing tape, is designed to provide visible and irreversible evidence when a security bag is opened, peeled, heated, frozen, exposed to liquid, or mechanically attacked.
For B2B customers, choosing the right security bag tape is not only about price. The correct choice depends on the bag material, security risk, application industry, sealing method, required tamper evidence, and production process.
HANKSEC provides different security levels for security bag manufacturers, plastic bag factories, packaging factories, distributors, and duty-free bag suppliers.
Security Bag Tape Level Comparison
| Security Level |
Security Grade |
Main Tamper Evidence Features |
Recommended Applications |
How Customers Should Choose |
| Level 1 Security Bag Tape |
Basic Security |
Provides basic sealing and visible tamper indication. When the bag is opened or peeled, a VOID / OPEN VOID message or broken-seal evidence appears. |
Retail security bags, standard courier bags, low-risk document bags, general packaging bags |
Suitable when the customer needs basic tamper evidence at a cost-effective level. It is recommended for low-to-medium risk packaging where visible opening evidence is required but advanced anti-tamper layers are not necessary. |
| Level 2 Security Bag Tape |
Standard Security |
Provides VOID tamper evidence and improved cold-condition performance. The tape can show clear tamper evidence when removal is attempted, including under lower temperature conditions. |
Courier bags, e-commerce security bags, document bags, warehouse transfer bags, general logistics bags |
Suitable when the customer needs better security than basic sealing, especially for bags used in logistics or colder environments. It is a practical option for standard security bag production. |
| Level 3 Security Bag Tape |
Enhanced Security |
Combines VOID tamper evidence with heat-sensitive or temperature-indicating features. It helps expose attempts to open the bag using heat, such as hot air gun or heating tools. |
Cash bags, logistics security bags, valuables transport bags, pharmaceutical sample bags, higher-risk courier bags |
Suitable when the customer is concerned about heat-based tampering. It is recommended for applications where attackers may try to open the bag by heating. |
| Level 4 Security Bag Tape |
High Security |
Combines multiple tamper evidence layers such as VOID message, cold indication, heat indication, and water or solvent-sensitive features. It provides stronger evidence against peeling, freezing, heating, and liquid attacks. |
Bank deposit bags, evidence bags, examination bags, hospital patient belonging bags, cash bags, coin bags, duty-free security bags |
Suitable for customers requiring high-security protection. It is recommended for valuable items, confidential documents, law enforcement evidence, banking, medical, and regulated security packaging. |
| Level 5 Security Bag Tape |
Advanced Security |
Adds additional authentication or anti-counterfeit features such as hidden UV printing, customized security patterns, serial numbers, or advanced security cuts. It provides both visible tamper evidence and covert verification. |
High-value cash transport, confidential documents, government packaging, brand-protection bags, premium security bags, critical logistics |
Suitable when the customer requires both tamper evidence and product authentication. It is recommended for customers who need a stronger anti-counterfeit layer and traceability features. |
| Level 6 Security Bag Tape |
Maximum Security |
Provides multi-layer protection by combining VOID evidence, cold/heat response, water or solvent indication, security cuts, hidden UV features, serial tracking, and customized anti-tamper structures. |
Evidence chain-of-custody bags, high-value asset transport, pharmaceutical security bags, customs control bags, aviation security bags, top-level confidential packaging |
Suitable for customers with the highest security requirements. It is recommended when the bag must resist multiple tampering methods and provide clear, irreversible, and layered evidence of unauthorized access. |
Key Factors Before Ordering Security Bag Tapes
Before selecting a security bag tape, the customer should confirm the following details:
| Required Information |
Why It Matters |
| Bag Film Material |
PE, HDPE, LDPE, PP, OPP, co-extruded film, or laminated film may require different adhesive performance |
| Surface Treatment |
Corona-treated or smooth film surfaces usually improve adhesion and tamper evidence |
| Security Level |
Determines whether basic VOID, heat, cold, water, solvent, UV, or security-cut features are needed |
| Tape Width |
Common widths include 30mm, 35mm, 40mm, 45mm, or custom sizes |
| Roll Length |
Usually supplied in long rolls for bag manufacturing lines |
| Liner Type |
PET release liner, different liner colors, half-cut liner, or perforated liner can be customized |
| Security Message |
VOID, OPEN VOID, STOP, custom text, logo, or hidden message can be developed |
| Application Industry |
Banking, evidence, courier, duty-free, medical, or confidential packaging requires different security levels |
| Production Method |
Manual sealing or machine application affects roll direction, liner design, and release performance |
| Custom Printing |
Logo, barcode, QR code, serial number, warning text, or UV print may be required |
Why Choose HANKSEC Security Bag Tapes
HANKSEC helps customers choose the right security bag tape according to the application risk, bag film material, required security level, and production process.
We supports standard security bag tape, custom security bag sealing tape, Level 1 to Level 6 security options, custom VOID messages, liner customization, color customization, roll width customization, and OEM/ODM production.
For security bag manufacturers, HANKSEC can provide practical tape solutions for upgrading normal plastic bags into professional tamper evident security bags.
Specification
|
Facestock |
PET, PO or Custom |
|
Facestock Thickness |
25 Microns or Custom |
|
Destruct Pattern |
VOID / VOIDOPEN / OPENED / SECURITY / STOP / Custom / It Can Be Customized With Your Logo Or Any Other Printing Upon Request |
|
Color |
Silver, Blue, Red, Black, White, Yellow, Green, Transparent, Orange or Custom (Pantone number) |
|
Adhesive |
Hot Melt Adhesive Or Pressure Sensitive Acrylic |
|
Color Finish |
Glossy |
|
Residue |
High residue / Low residue |
|
MOQ |
265㎡ For Standard Designs |
|
Liner |
PET Release Film (Metalized Silver, Clear, White, Red, Yellow and so on) |
|
Size Width |
30 / 40 / 45 / 50mm or Custom |
|
Size Length |
500 / 1000 / 2000m or Custom |
|
Standard Core Size |
3 Inch or Custom |
|
Range of temperature |
-20°C - 80℃ |
|
Lead Time |
3-7 Days |
|
Shelf Life |
1.5 Year Under Normal Condition, Avoid Direct Sunlight And High Humidity |
|
Grade |
Level 1 - Level 6 |
Product Structure

Related Hanksec Courier Bag and Security Bag Tape Solutions
Customers interested in Tamper Proof Tapes for Courier Bags can also explore level 1 security bag tape, jumbo roll security bag tape, Hanksec perforated tamper proof tape, VOIDOPEN security adhesive tapes, and tamper evident security packaging tapes guide.
Courier Bag Tape Testing and Packaging References
For Tamper Proof Tapes for Courier Bags, customers often evaluate peel adhesion, VOID message clarity, adhesive bonding, bag film compatibility, roll release force, barcode readability, QR code scanning, transport durability, and final courier bag sealing performance. Useful external references include PSTC pressure-sensitive tape test methods, ASTM D3330 peel adhesion testing, ISTA package testing procedures, and GS1 barcode standards.