The Macallan 18 Year Old Double Cask is a single malt Scotch whisky matured for 18 years in a combination of sherry-seasoned American oak casks and sherry-seasoned European oak casks. Produced using curiously small pot stills. Natural color, no added caramel coloring. Unpeated. Bottled at 43% ABV. Standard bottle sizes are 700ml or 750ml depending on market.