Fee Brothers Whiskey Barrel-Aged Bitters are an exclusive product using freshly emptied oak whiskey barrels from the finest U.S. distillers. These barrels, with charred interiors soaked in aged whiskey, allow the Fee brothers to create a bitters that highlights intense and complex flavors. Perfect for enhancing cocktails and drinks, these bitters provide an exceptional aromatic profile, making them a must-have for cocktail enthusiasts. The age and craftsmanship involved in these bitters ensure an unparalleled tasting experience. Keep them on hand to add a special touch to your favorite mixes.