Plastic Oxygen Barrier Screw Caps for Jugs and Growlers
Don't buy a whole new growler jug, just grab one of these guys! Losing the top to your growler doesn't have to be a traumatic experience. These super cheap replacement growler caps can restore your favourite beer container back to working order in no time. Designed with a foam layer inside for a better seal.
Fits most 1/2 gal sized growlers.