article of merchandise

See: product
References in classic literature ?
The companionship of one's wife is no article of merchandise, that, after it has been bought, may be returned, or bartered, or changed; for it is an inseparable accident that lasts as long as life lasts; it is a noose that, once you put it round your neck, turns into a Gordian knot, which, if the scythe of Death does not cut it, there is no untying.
In 1925, the Ships Service was created to provide Navy crew members nearly any legal article of merchandise without the profit restrictions placed on the Ships Store.