The liquid-containing bag is produced integrally from two sheets (4; 5) whichare welded to onanother along the edge region (3), and the bag forms two chambers (6; 7) whichare separatedfrom one another by a separating strip (8). A drinking or dispensing spout (2)is welded withsealing action in the separating strip (8), in which case this connects thetwo chambers (6,7) inthe open state, the one bag chamber (6) being intended for receiving theliquid, while the otherbag chamber (7), as a protective chamber, encompasses the outer spout end (9)and encloses thesame with sealing action.