What do you call a bag that contains bread?

There isn't a specific, universally accepted term for a bag that contains bread. However, depending on the context, you could use terms like:

* Bread bag: This is a simple and straightforward option.

* Loaf bag: If the bag holds a whole loaf of bread.

* Bread sack: This is a more colloquial term, often used for paper bags.

* Breadbasket: While typically referring to a container, it can be used loosely for any receptacle containing bread.

* Baguette bag: Specific for bags designed to hold baguettes.

* Bakery bag: If the bag is provided by a bakery.

Ultimately, the best term depends on the specific type of bread, the bag's material, and the context.