sizeSystem
A Schema.org Property
Usage:
< 1K Domains
Based on monthly aggregations from Google's web index.
(Google - August 2026)
- Canonical URL: https://schema.org/sizeSystem
- Check for open issues.
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").
Values expected to be one of these types
Used on these types
Source
https://github.com/schemaorg/schemaorg/issues/2811