1. The article number on the product tag: Usually there are metal holes in the tag, which contain the article number information.

2. Item number on the product label: there is a special item number on the label, and you can query the product information through the item number on the label.

3. Item number on the package: There is also a special item number on the package, which can be used to query the product information.

the above is the way to find the article number of converse schoolbag. I hope it can help you.