Schema: QualitativeValue
Schema: QualitativeValue Example Markup
The following are examples of markup written in json+ld that include the correct usage for Schema: QualitativeValue.
SizeSpecification
SizeSpecification JSON-LD example for apparel / footwear / accessory sizes. QualitativeValue subtype with sizeSystem, sizeGroup, suggestedAge, suggestedGender, suggestedMeasurement.