Buffalo Trace 90 Proof French Connections Limited Edition 45% Kentucky Straight Bourbon Whiskey is a limited edition release from the Buffalo Trace distillery. It is made from a blend of Kentucky straight bourbon whiskey that has been aged for at least 90 proof, and is bottled at 45% alcohol by volume (90 proof). The whiskey is aged in new oak barrels and is 700mL per bottle. This is a limited edition release and is usually sought after by bourbon collectors and enthusiasts.