The term "juice box" refers to a small, usually rectangular container made out of paper or plastic that holds liquid fruit juice. These containers are designed for easy consumption and portability, with a conveniently attached handle and a straw opening. They are commonly used by children as an on-the-go snack or beverage, but can also be enjoyed by adults. The phrase "juice boxes" is often used to refer to the liquid juice contained within these containers, as well as the container itself.