Bushmills 12 Year Old is a single malt Irish whiskey aged separately for at least 11 years in former bourbon barrels and Oloroso sherry butts, then married and finished for 6 to 9 months in Marsala wine casks. Triple-distilled in traditional copper pot stills using water from Saint Columb's Rill. Bottled at 40% ABV. Standard bottle sizes are 700ml or 750ml depending on market.