The Balvenie DoubleWood 12 Year Old is a single malt Scotch whisky matured for at least 12 years in American oak ex-bourbon barrels and hogsheads, then finished in Spanish oak ex-Oloroso sherry butts for approximately 9 months, followed by 3 to 4 months in oak tuns to marry flavors. ABV varies by market (40% or 43%). Standard bottle sizes are 700ml or 750ml depending on market.