Beverage container

An improved beverage container comprising a flexible bag capable of containing liquids disposed in a collapsible box is described. The box comprises a right side wall with a lower flap configured to form a portion of the box bottom and an upper flap configured to form a portion of a handle. The box also comprises a left side wall with a lower flap configured to form a portion of the box bottom and an upper flap configured to form a portion of a handle. The box further comprises a rear wall with a lower flap configured to form a portion of the box bottom and an upper flap having a portion configured to surround the handle, the upper flap further comprises a distal portion configured to surround a mouth attached to the flexible bag. The box also comprises a front wall with an opening for receiving a mouth of the flexible bag, the front wall also has a lower flap configured to form a portion of the box bottom. The flexible bag is mounted inside the box by inserting the mouth through the openings formed in the front wall and upper flap distal portion. The flexible bag comprises a tab disposed on a rear sheet opposite the mouth such that the tab may be pulled to introduce air into the bag.