If you want to assign the products from Etsy to the Gelato delivery profiles please follow the steps described below:
1) Click "Shop Manager" on your Etsy account.
2) Click "Listings".
3) Click the checkbox of the listing that needs a delivery profile.
4) Click "Editing options" and after that "Change delivery profiles" from the dropdown menu.
5) In the next window, click the "Select profile…"
6) Select the correct delivery profile on click "Apply" to save your changes.
After that, the product will be assigned to the selected delivery profile.