'Sacks' in the Bible

And it cometh to pass, they are emptying their sacks, and lo, the bundle of each man's silver is in his sack, and they see their bundles of silver, they and their father, and are afraid;

and they work, even they, with subtilty, and go, and feign to be ambassadors, and take old sacks for their asses, and wine-bottles, old, and rent, and bound up,