If you want to have different SKUs or quantities for your product variants, you have to update the setting for the product on Etsy. Here is a screenshot that shows you where to update the setting. Related ArticlesProducts in SumtrackerSet Close at Quantity of ProductsHow does Sumtracker Sync Etsy Listings?What information is stored from BigCommerce Products in Sumtracker?Inventory of my products is not matching in Sumtracker and my store. How can I resolve this?