An instance of this class is an actual float value for a quantitative property of a product. This instance is usually characterized by a minimal value, a maximal value, and a unit of measurement. Examples: The intervals "between 10.0 and 25.4 kilogramms" or "10.2 and 15.5 milimeters". Compatibility with schema.org: This class is a subclass of http://schema.org/Quantity.