LUX Barrel Bung is made as a glass bung stopper with a silicone base that fits any wine barrels bung hole. Arguably one of the best wine barrel bungs in the world, the base is removable to clean and/or replace after wear and tear. The LUX bung combines technical advantage of silicone with beauty of glass. Limited in their availability, these hard to find bung hole plugs are unique in their own way and we are one of the few who carry this incredible device. Lux Barrel Bungs are the finest wine barrel bungs on the world market today and invented by a winemaker to satisfy his own demanding standards and his sense of aesthetics. The Lux Barrel Bung was created to complement the finest wines, yet also offer a stunning look. Their size is roughly 1 3/4" at the narrow tapered end and a little over 2" at the wide end of the glass, along with being roughly 4" long. Again, our supply is limited.