Two Stacks Irish Whiskey Double Barrel 100 ml is a canned, ready-to-serve Irish whiskey finished in two barrel types to develop added depth and character. The 100 ml single-serve can is ideal for on-the-go enjoyment, tastings, or as a compact gift. Serve neat, over ice, or use in cocktails that call for Irish whiskey. Store unopened cans in a cool, dry place. Check the product packaging for official alcohol content, origin details, and any allergen or regulatory information.