'Skin' in the Bible

Then, when she had weaned him, she brought him up with her to Shiloh, along with a three-year-old bull, an ephah of flour, and a skin of wine. She brought him to the house of the LORD at Shiloh, and the boy was young.

“You will proceed from there until you come to the oak of Tabor. Three men going up to God at Bethel will meet you there, one bringing three goats, one bringing three loaves of bread, and one bringing a skin of wine.

So Jesse took a donkey loaded with bread, a skin of wine, and one young goat and sent them by his son David to Saul.

Then he took his [shepherd’s] staff in his hand and chose for himself five smooth stones out of the stream bed, and put them in his shepherd’s bag which he had, that is, in his shepherd’s pouch. With his sling in his hand, he approached the Philistine.