3.9 x 3.9 x 3.7 inches

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CONVERTS A MASON JAR INTO WATER OR MILK KEFIR FERMENTER: Kefir is a tangy probiotic-rich beverage like yogurt and kombucha that can provide the gut with healthy beneficial flora. It’s also expensive. We’ll help you make your own easily at home!
UNIQUE 2-POSITION LID: Our innovative lid makes fermenting real kefir easy with an open/closed twist mechanism.The open position allows airflow to activate the kefir grains and begin fermentation. The airtight closed mode is for storage and handling.