Facebook Shops is an an online store customers can access on a business’ Facebook Page or Instagram profile, as well as through Stories and ads. Business owners will be able to choose the products they want to feature from their catalog and customize the look and feel of their shop. Customers can browse collections, save products and place an order—either on the business' website or without leaving the app, if they've enabled checkout in the US.
How to Apply
Checkout the link https://web.facebook.com/facebookbusiness/posts/10163543244896337?_rdc=1&_rdr for more details.