US Patent 7896199 Portable liquid-dispensing bag

A portable, liquid-dispensing bag that has a bag within one or more bags. A fitment portal aligns openings in the one or more inner bags and outer the outer bag, which in at least one embodiment accommodates a tap. A variety of arrangements and variations are possible, including having a re-sealable opening in both the inner bag or bags and a re-sealable opening in the outer bag. A gas vent can be added to either the inner or outer bags. It is contemplated that a drinkable liquid is stored in an inner bag, and ice or cold water is stored in the outer bag to keep the drinking fluid cold.