There are actually different expressions to select from having an age selection that rivals several of the best recognized scotch brands available. The fifteen and 25 are aged in American white oak barrels; the 20, 27, and 30 are aged inside of a trio of Spanish, American, and French oak. https://socialtechnet.com/story2807644/5-tips-about-japanese-whisky-dictionary-you-can-use-today