The 2018 release of Elijah Craig 18 Year Old Single Barrel Bourbon is bottled at 90 proof and crafted from Heaven Hills standard bourbon mashbill of 78% corn, 12% malted barley, and 10% rye. Aged in new, char 3 oak barrels for a full 18 years, each single barrel is individually selected for maturity and structure. This limited release reflects Heaven Hills commitment to extended aging and single-barrel precision.