<http://schema.org/availability>
"http://schema.org/OutOfStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.pfister.ch/it/produktdetail/8570348/Catalogo/Tappeti/Gabbeh-Tappeto-Berbero/Tappeto-gabbeh-Shekarlou>