As like category, you can choose single or multiple product attributes to show a badge.
You can read more about this feature in the “Features Use Case” section.
To assign a badge to product attributes, go to Woo Product Badges now click on Edit on which badge you want to use.
Now scroll down and go to Badge Manager Meta → Select Product Attributes & click on Select Option(s); you will see a list of your product’s attributes click to choose. You can select multiple attributes for the same badge.
Now click update & now that badge will be visible to the products with selected attributes.