'Bags' in the Bible

Saul told the young man, "Look, we could go, but what could we bring the man? The bread is gone from our bags, and there is no present to bring to the man of God. What do we have with us?"

David answered the priest, “Be assured that women have been kept from us in these three days since I set out, and the bodies of the young men were consecrated (ceremonially clean), although it was an ordinary (unconsecrated) journey; so how much more will their vessels be holy today?”