Gloria Double Lever Capper with American Flag Crown Oxygen Barrier Beer Bottle Caps (144 Ct) One Gloria Double Lever Capper and approzimately a gross (144) of crown beer bottle caps. This easy to use capper is an economical alternative to a bench capper Caps have an Oxygen Barrier Lining to seal and protect the beer. Caps will ONLY work with standard 27mm pry-off bottles, NOT twist off. Better value than buying capper and caps separetly.