{"@context":"https://schema.org","@type":"Property","@id":"https://schema.org/sizeSystem","rdfs:label":"sizeSystem","rdfs:comment":"The size system used to identify a product's size. Typically either a standard (for example, \"GS1\" or \"ISO-EN13402\"), country code (for example \"US\" or \"JP\"), or a measuring system (for example \"Metric\" or \"Imperial\").","schema:domainIncludes":[{"@id":"https://schema.org/SizeSpecification"}],"schema:rangeIncludes":[{"@id":"https://schema.org/SizeSystemEnumeration"},{"@id":"https://schema.org/Text"}]}