a large skin

This large skin looks well constructed. It is made of two leather hides that have been thoroughly sewn together with strips of leather. The nozzle, which can be opened easily to quench one's thirst, is closed shut with a cork that is tethered to the side of the bag.

It is a large skin.
It weighs a couple of pounds.

You identify a large skin.
It is a drink container.
It is empty.
It weighs one pound and ten ounces, and it is worth about forty busc.
Its keywords are skin and large.