In this section, you can configure important settings for TikTok Shop item management.
Main #
Configure the basic settings for managing and shipping your TikTok Shop products, such as the barcode information and package dimensions.
Product #
Set Product ID information. Choose the Magento Attribute where your valid EAN/UPC values are stored. This information helps associate your Magento items with the TikTok Shop catalog.

Package #
Define package dimensions. Choose the Magento Attribute or manually enter the Custom Value for package dimensions required for shipping your TikTok Shop products.

GPSR #
You can find detailed information about GPSR configuration in the following article.