<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.mironet.cz/cpa-smartcase-knizkove-pouzdro-pro-samsung-galaxy-a3-prihradky-na-karty-funkce-stojanku-bily+dp259615/>