Foursquare "Indelible" is Mark XVIII of the Exceptional Cask Selection releases (all one-off and limited in volume) from Foursquare Rum Distillery. Indelible meaning "Not to be forgotten" A blend of two distinct Single Blended Rums, consisting of both Artisanal Pot and Traditional Twin Column Coffey distilled molasses rums. One rum was matured for 11 years entirely in Ex-Bourbon barrels, the second, matured for 5 years in Ex-Zinfandel barrels then aged for an additional 6 years in Ex-Bourbon Barrels. All aging, blending and bottling occurring entirely on-site, at Foursquare Rum Distillery in Barbados. Bottled at 48% ABV - 96 Proof. No sugar, no additives, no filtration.