Fee Brothers Blue Curacao Cordial Syrup Use the trusted name of Fee's to create some of the tastiest blue cocktails. From Blue Hawaiians and Blue Monday's to Blue Devils... Don't Squeeze, us Fee's! You can also mix 1 part of Fee's Blue Curacao and 3 parts of 80 proof Brandy to make the alcoholic version of a cordial. 4/5 PT glass bottle (375 ml) Ideal for any bar, restaurant, or home!!