Each lighter has a bottom stamp signifying the year it was made, is refillable, and is backed by Zippo's famous lifetime guarantee. All windproof lighters are American made in our Bradford, PA factory and come packaged in a gift box.Each light has a bottom stamp signifying the year it was made, is refillable, and is backed by Zippo's famous lifetime guarantee. All windproof lighters are American made in our Bradford, PA factory and come packaged in a gift box.