High-Security Packaging & CIT Logistics Supplies
Tamper Evident Cash Bags Manufacturer & Wholesale
Compliance & Standards
- EU REACH Compliant
- RoHS Environmental Cert
- Phthalate-Free Tested
- ISO9001 Manufacturing
- High-Adhesion 3M 810 Tape Test
Material Introduction
Our cash bags utilize multi-layer composite co-extrusion blown film technology. Rather than relying on simple adhesives, interlayer bonding is achieved through hot-melt co-extrusion, eliminating the risk of layer separation and counterfeiting.
Outer Layer (Printing Layer)
Transparent or white high-quality LDPE/PE, providing excellent print adhesion and supporting high-definition custom graphics.
Middle Layer (Barrier & Strength Layer)
High-density HDPE or metallized PET, enhancing tear resistance and opacity to visual inspection.
Inner Layer (Sealant & Tamper Evident Layer)
Specially formulated EVA or modified PE heat-seal layer, processed with specialized techniques to form a strong heat-seal bond.
Tamper Evident Opening Layer
Void Technology: The sealing area is pre-coated with a special release coating and transfer ink. Upon peeling, the ink layer separates and leaves a permanent “VOID / OPENED” message or pattern on the bag surface that cannot be erased.
Features of Tamper Evident Cash Bags
Product Types & Styles
Transparent body, allowing visual counting of contents without opening.
Used for transporting high-value items; built-in black or silver light-blocking layer prevents inspection by high-powered flashlights.
Features additional coin or change compartments attached to the main bag, ideal for retail cash deposits.
Interlayer contains aluminum foil, blocking wireless signals and preventing contactless bank card information from being skimmed remotely.
Features adhesive backing that can be affixed to the exterior of packages, used for tamper-evident transport of important documents.
Designed for non-heat-seal application scenarios, utilizing single-use plastic zippers or non-removable cable tie designs.
Standard Dimensions & Thickness Chart
| Size (Width x Length) | Thickness | Application | Standard Packaging (Pcs/Ctn) |
|---|---|---|---|
| 4″ x 8″ (100x200mm) | Double-sided 10 wire (0.10mm) | Loose change, cash register keys, small jewelry | 2000 |
| 6″ x 9″ (150x230mm) | Double-sided 11 wire (0.11mm) | Banknotes, coin rolls, cash drawer deposits | 1000 |
| 9″ x 12″ (230x300mm) | Double-sided 12 wire (0.12mm) | Standard bank cash-in-transit, bulk coins | 500 |
| 11″ x 14″ (280x355mm) | Double-sided 14 wire (0.14mm) | Multiple bundles of banknotes, A4 documents, ATM cassette cash | 250 |
| 14″ x 18″ (355x455mm) | Double-sided 16 wire (0.16mm) | Bulk transport of large-denomination cash, casino chips | 100 |
| 18″ x 22″ (455x560mm) | Double-sided 18 wire (0.18mm) | Extra-large capacity turnover, valuable artworks | 100 |
* Note: Commonly used thickness ranges from double-sided 10 to 18 wire (100–180 Microns). Greater thickness provides stronger impact and puncture resistance. Conventional export sizes; any length and width can be customized.
Application of Tamper Evident Cash Bags
Manufacturing Process
Raw Material Batching: Imported polyethylene granules and specialized functional masterbatch are automatically metered and mixed.
Multi-Layer Co-Extrusion Blown Film: Three-layer/five-layer co-extrusion equipment using upward or downward blown methods forms a tubular film in a single step, ensuring no adhesive lamination between layers.
Tamper Evident Coating: Precision coating of VOID transfer ink and hot-melt adhesive in the sealing area.
High-Definition Printing: Utilizing high-speed copper-plate gravure presses or flexographic presses, supporting 1–10 color custom printing.
Slitting & Bag Making: Fully automatic bag-making machines heat-seal and cut edges while simultaneously pressing tear notches and receipt stubs.
Data Coding: Online inkjet coding or thermal transfer printing assigns a unique serial number and barcode to every bag.
Full Inspection & Packaging: Manual random inspection combined with machine vision inspection eliminates defective products; packed in standard quantities into cartons.
Printing Techniques & Customization
· Ink Properties: Scratch-resistant, UV-resistant and fade-proof, achieving an excellent adhesion rating in the 3M 810 Tape Test.
· Content: Company logo, security warning messages (multilingual), receipt stub format, auxiliary information for counterfeit detection.
· Advanced Anti-Counterfeiting: Custom holographic security labels, UV invisible ink, thermochromic ink, microtext printing.
· Barcode System: Supports sequential serial numbers, EAN-13, Code 39, QR Code; provides Excel/CSV data packages for convenient customer inventory scanning and management.
Why Choose Us?
Quality Control & Testing
We operate a testing system stricter than national standards and ISO requirements:
Instructions & Cautions
· Pre-Seal Inspection: Ensure no foreign objects adhere to the sealing area; the seal area must remain dry and free from oil or dust, otherwise false sealing or tamper evident failure may occur.
· Pressure Application: After removing the release liner, firmly press and smooth from the center outward, squeezing out air bubbles to ensure complete adhesive-to-bag surface contact. Allow to set for 10 minutes to reach maximum adhesion.
· Information Recording: Before handover, verify that the serial number on the receipt stub matches the serial number on the bag body, and sign for record retention.
· Opening Method: Authorized personnel should open the bag in a secure environment using the tear notch or scissors. Do not forcefully pull the bag body, which could cause it to tear and spill contents.
· Temperature Recommendation: For long-term storage, a dry environment at 10°C–30°C is recommended; avoid high temperature and humidity, which can cause seal adhesive aging.
FAQ
Q1: What is the MOQ (Minimum Order Quantity)?
A1: For customized printed logo orders, the minimum order quantity starts from just 100 kg. Mixed batch orders of different sizes are supported to meet this requirement.
Q2: Can you provide free samples?
A2: Yes. We provide free standard samples for B-end buyers (shipping collect). Customized samples incur only a basic plate charge.
Q3: Can the sequential code be wiped off?
A3: No. We use thermal transfer or laser coding, which penetrates the material or forms physical indentations, making it impossible to remove with chemical solvents.
Q4: Are the bags waterproof?
A4: Standard models are splash-proof. For full immersion requirements, please specify a high-barrier co-extrusion formula at the time of ordering to enhance edge seal integrity.
Q5: What is the delivery time?
A5: For custom orders, delivery typically takes 15–35 working days.
