Users regularly turn to Yandex to find out where they can purchase a certain product or who offers a desired service for what price.
In order for these users to immediately see in the search results that you have the product they need, Yandex has launched structured snippets for websites with Schema.org/Product markup.
Snippet with markup (shows the price and product description):
To get a snippet like this, you need to mark up product pages in a special way.
You can participate in the snippet improvement program if:
Your site is an online store, representative of an offline store, company that provides services, or a website that aggregates offers from other companies.
Your site lists your assortment of products/services and each product/service has a separate page on your site.
Your site provides contact info and legal information about your company.