Use our basic 1/2-gallon growlers to store the hard cider, beer or kombucha you've made using our DIY kits. Siphon the beverage from your large fermentation vessel into these smaller, more manageable growlers, leaving the expired yeast behind. 100% food-safe glass body is nonreactive and won't impart unwanted flavors to your home brews. Twist-on metal cap ensures a tight seal that preserve freshness and natural carbonation. 1/2-gal. (64-oz.) cap.