See our Product webmaster docs for full explanation of the Product type, and how to encode Product data in RDFa, microformats or microdata. This page exists to contain a machine-readable microdata description of the Product type itself (at the URI http://data-vocabulary.org/Product).
An item with the item type http://data-vocabulary.org/Product represents a product. The following are the type's defined property names

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Property	Description
brand	The brand of the product-for example, ACME.
category	The product category-for example, "Books-Fiction", "Heavy Objects", or "Cars".
description	Product description
name (fn)	Product name
image	URL of product photo
review	A nested review-aggregate of the product (for example, the average rating). If there are multiple reviews of the product, mark up aggregated review data (for example, the average rating from all users) using Review-aggregate rather than individual reviews.
identifier	The product identifier. Google recommends including brand and at least one identifier for each product. Recognized types include: asin, isbn, mpn, sku, upc
offerdetails	An offer to sell the product. Includes a nested Offer or Offer-aggregate.