The Yin to your Yang is nestled within the flame of this collection. Each Yin and Yang lighter is finished on a Black Matte lighter. Completed using color imaging and engraving. 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.