A plastic and/or metal foil pouch used for beverages.  These pouches are fully-sealed, unlike a [[drink bag]], and feature either a spout or require a straw to puncture the pouch to drink the contents.

In the United States the drink brand [[Capri-Sun]] is noted for their aluminum-foil drink pouches.  In Asia there are a lot more types of drinks available in this packaging, such as jelly drinks.
drink pouch