Willett 4 Year Old Family Estate Small Batch Rye Whiskey 750mlCrafted with masterful expertise and distinction, The Willett Distillery's 4 year old Family Estate Small Batch Rye is an in house blended rye that is aged for a minimum of 4 years in hand selected white oak barrels and bottled at varying cask strengths of 100+ proof, depending on the batch. The mash bill consists of a combination of Willett's high rye mash (74% rye, 11% corn, 15% malted barley) and low rye mash (51% rye, 34% corn, 15% malted barley),