<https://indebakkerij.nl/product/workshop-bitterballen-snacks-10-oktober-2017/#product>
<http://schema.org/sku>
"1404"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://indebakkerij.nl/product/workshop-bitterballen-snacks-10-oktober-2017/?add-to-cart=1487>