Seal Tags-PTF375
Versatile and Reliable, This Plastic Seal Tag Is The Perfect Solution For a Wide Range of Frozen Logistics.
One-time locking.
Clear tamper evidence.
Unique serial numbering.
Custom logo & barcode available.
Features:
-Push‑in and self‑locking design, easy to seal and lock, no tools required: simply insert the tail into the lock hole and pull tight — finished in seconds.
-Suitable for low-temperature & frozen environments: very suitable for fast packaging in cold chain and logistics scenarios: flexible enough to seal boxes, bags, baskets, and various logistics containers.
-Tamper-evident & anti-counterfeiting: once locked, cannot be reopened without breaking, Obvious damage trace if forcibly opened, effectively preventing theft, substitution, or unauthorized opening.
Application:
Application Scenarios: Securing Refrigerated Truck Cargo to Prevent Theft and Tampering, Sealing Turnover Boxes for Frozen Food, Seafood, and Pharmaceutical Products, and Ensuring the Integrity of Cold Chain Shipments Through Every Stage of Transport and Storage.
- Data Sheet
- Plastic Seal Tags Multi-Purpose
- Drawing
| Model | PTF375 |
| Length | 375mm |
| Materials | Polypropylene |
| Seal Type | Plastic Seal Tags |
| Packing | 2500 pcs/CTN (50-40-35) |
| G.W. | 12KGS |
| Identification | logo, serial number, QR code. |
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-Frozen Packaging Seal Tags.
-Seal Tags for Frozen Food Transportation.
-Plastic Seal Tags for Reefer Containers.
-Refrigerated Courier Transport Seal Tags

Application of Plastic Seal Tags in Cold Chain & Frozen Food Boxes
PAIN POINT:
Frozen food boxes are often opened privately by drivers, warehouse staff, or middlemen during long-distance refrigerated transport.
Partial products may be stolen, replaced with expired goods, or swapped with lower-quality items.
Once goods are abnormal, it is difficult to identify when and where the box was opened.
if frozen food boxes are opened privately; freshness and safety cannot be guaranteed; batch and production date cannot be marked.
Application With Plastic Seal Tags
Seal tags printed with production date, batch code and brand logo are used to lock frozen boxes.
Plastic seal tags use a one-time self-locking structure. Once locked, they cannot be opened without being destroyed.
Any forced opening leaves obvious breakage marks, providing direct evidence of tampering.
Effectively deters internal and external personnel from opening boxes without permission. Use plastic seal tags can ensuring food safety and traceability.
After private opening frozen food, they are exposed to air, dust, bacteria or unclean environments.
Repeated thawing and refreezing caused by unauthorized opening accelerates deterioration.
Plastic seal tags act as a physical safety barrier to keep the packaging closed from production to end users.
The Seal Tags avoid secondary contamination to ensure food safety & hygiene
An intact seal tags proves the box has not been opened, reducing food safety risks. Helps enterprises comply with food hygiene and cold chain traceability requirements.
Large batches of frozen products look similar; mixing batches or mis delivery occurs frequently.
When quality problems occur, enterprises cannot quickly trace production time, batch, logistics route and responsible party.
Counterfeit products use similar packaging to imitate branded frozen goods, damaging brand reputation.
What a Seal Tags Can Bring You?
-Ensure consumers receive valid products.
-Distinguishes genuine products from counterfeits.
-Strengthens brand protection and improves product professionalism.
How to Customized Your Seal Tags?
Plastic Seal Tags Can Printing With Serial Numbers / Barcodes, Realize Full-Link Traceability Through Printed Serial Numbers, Barcodes, Dates and Logos, Production Date, Expiry Date or Batch Number, Company Logo and Brand Name.
Each seal tags corresponds to one box, supporting scanning and recording in the cold chain system. Managers can trace the whole process quickly.













