This plugin allows you to edit description and META description for one or multiple produts.
You just need to select simple product or product list form category, set or search results and click one button. After that you need to fill new description and set checkbox to update META description if you need.
This plugin is very easy for SEO optimization and promotion in search engines.
You no need anymore to manualy add same descriptions for each product separately. Just choose needed products and fill your description once and it will be added to all products.