System to hold multiple beverage containers

A system to hold a beverage, comprising:

• a beverage container configured to be loaded within an internal silo of a cooler, the beverage container having a bottom surface, a rigid exterior surface, a resealable opening, and an interior volume of at least 750 ml but less than 3800 ml;
• the resealable opening of the beverage container configured to facilitate adding a liquid into the interior volume, wherein the resealable opening comprises threads on the beverage container configured to allow a lid having threads to be secured to and removed from the beverage container;
• and
• the lid comprising an adapter plug configured to releasably connect to a mating plug to form a leak-proof coupling, the adapter plug having a spring-loaded stop valve that is opened when the adapter plug is releasably connected to the mating plug such that the liquid within the beverage container can gravity drain from the beverage container and through the opened spring-loaded stop valve when the beverage container is inverted.