A single barrel whisky is the purest representation of the relationship between craftsmanship, wood and time. While most single malts work much like an orchestra – multiple casks in concert, coming together to achieve specific notes – The Balvenie Single Barrel is a soloist, relying only on the unique properties of a single cask to create an exceptional whisky. The Balvenie Single Barrel 21 Year Old is bottled exclusively from American Oak barrels that have spent 21 years in our warehouse, with each bottling leading to no more than 300 hand-numbered bottles drawn from a single cask. This makes every bottle unique and unrepeatable.