NARROW POURER NIPPLES/CAPS EACH ORDER BRINGS 12 COVERS/CAPS. The narrow pourer nipples are the perfect solution to protect your liquor bottle beverages and also to prevent moisture buildup, fruit flies, and nats.  These are very easy to remove and apply; the covers fit an array of spouts to save all your liquor from going to waste, and save you tons of money in the long run. Our Narrow Pourer Nipples are pliable and tough, with an ergonomic design that allows for easy removal.  FITS: Narrow Pourer Nipples fit Whiskey Gate pour spouts, fit tapered metal pour spouts, fit 285 metal pour spouts, fit  220 metal pour spouts and fit measured pour spouts.