Creation of a product for each variation Any products in the PrestaShop catalog with multiple variations (color, size, etc.) should be synchronized into compatible categories on eBay, through the eBay module. Compatible categories are categories that allow for listing variations, like clothing. Categories like electronics do not support this kind of listing. If you have a multi-variation listing in your PrestaShop catelog, this listing will become many listings on the eBay marketplace, as the module will create a new listing for each combination of variations, if the selected eBay category is not compatible for multiple variations. Check that the categories selected allow you to create a multi-version advertisement: http://pages.ebay.co…ariations.html.