Add these limited edition bitters to your next cocktail! Fee Brothers uses emptied oak whiskey barrels from Tennessee to age these aromatic bitters. Taste the difference of barrel-aged bitters. This premium bitters is strictly limited edition, bottled only once a year in the spring. Don't miss out on the 2011 edition! In stock and ready to ship. Features: Limited edition. Aged in oak whiskey barrels. Unique flavor combination to enhance your cocktails. Specs: Capacity: 5 oz.