The Macallan 18 Year Old Sherry Oak is a single malt Scotch whisky matured for a minimum of 18 years in Oloroso sherry-seasoned European oak casks from Jerez, Spain. Produced using curiously small pot stills. Natural color, no added caramel coloring. Unpeated. Bottled at 43% ABV. Released in annual batches. Standard bottle sizes are 700ml or 750ml depending on market.