# What is Catalog?

A Facebook Catalog is a container that holds information about the products or services you want to advertise on Facebook and Instagram. It includes details such as product names, descriptions, prices, and images. You use a Facebook Catalog to create and manage dynamic ads, which automatically show relevant products to potential customers based on their interests and behavior.

Key features of a Facebook Catalog include:

1. **Product Management**: Organize and update your product listings.
2. **Dynamic Ads**: Automatically create personalized ads for users based on the products in your catalog.
3. **Shopping Experience**: Enable features like product tags in posts and Instagram shopping.
4. **Integration**: Sync your catalog with e-commerce platforms and data feeds for seamless updates.

It helps businesses efficiently reach their target audience and enhance the shopping experience on Facebook and Instagram.