The serial number of Kong products is structured as follows:
LLLLLL XXXX
- LLLLLL – Batch number
- XXXX – Progressive number within the batch
Connectors, on the other hand, have a serial number structured as:
LLLLLL MMYY XXXX
- LLLLLL – Batch number
- MMYY - Month (MM) and year (YY) of production
- XXXX – Progressive number within the batch
Serial numbers can be found on the sewn label of textile products or directly on the product, laser-engraved near the Kong logo.