A must for the serious whiskey aficionados, this ingenious set ensures a properly chilled and sublime aromatic experience. The clear glass has a distinctive wide bowl and central dome that minimizes the elevation of overpowering alcohol while allowing the aroma and flavor of fine spirits to come through. The metal chilling base cools the liquid in less than five minutes, keeping its chilled for at least 30 minutes. No ice required. A leather coaster completes the set.