A "cooler bag" is a type of bag that is designed to keep things cold, like food or drinks. It has special insulation and is often used for picnics, beach trips, or camping.
Sentences with «cooler bag»
Our meals are delivered in insulated cooler bags with ice packs designed to keep your meals cool overnight. (mychefbyrequest.com)
You can safely store your breast milk in an insulated cooler bag for up to 24 hours. (kaboutjie.com)