<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.pfister.ch/fr/produktdetail/7903015/Catalogue/Accessoires-d%C3%A9coratifs-%26-d%C3%A9coration/Bougie/Country-Bougie-cylindrique>