EXAMPLES FROM THE WEB FOR WATER BAG
Leading Ben Akbar, Ali filled his water bag at the oasis and went on.
In the latter event, they'd share the contents of the water bag.
Never had their eyes rested on an article of more wonder and humor than that water bag.
"I'm going to wrap my rubber poncho around my water bag and keep the hot desert air away from the water," said one.
First he watered the horses, filled canteens and water bag, and then tied the pack upon his own horse.
The kid he wets their handkerchiefs from his water bag an' they each tied 'em about their faces to sort of protect 'em a little.
The all-firedest finest pair of mules on Granados, and every water bag in the outfit!
The man filled a coffeepot from a water bag, brought out a propane-powered single-burner camp stove, and started the coffee going.
They walked back to the town, Rick carrying the water bag and Scotty the canteen.
Twice she came out on to the veranda where they sat afterwards—once to fill the water bag; again, to draw from it.