Using markup to enable rich snippets lets you:
- Attract potential buyers while they are searching for items to buy on Google.
- Control your product information. You can maintain the accuracy and freshness of your product information, so your customers find the relevant, current items they're looking for.
Rich Snippets/JSON-LD Schema for Products - https://developers.google.com/structured-data/rich-snippets/products#about_product_offers