Fermenting Starter Kit: The Fermentation Kit includes 3 wide-mouth fermenting lids, 3 wide-mouth fermentation weights, and an oxygen extractor pump; Ideal for making sauerkraut, kimchi, pickles, and other probiotic-rich fermented foods right in your kitchen Waterless Airlock Valve: The waterless airlock valve ensures absolutely no oxygen can enter your wide mouth mason jar but lets the carbon escape, eliminating any chance of must or mustiness; the fermentation kit allows you to get a perfect ferment every time Easy Fermenter Kit: Keep track of when each batch of fermentation is started with the built-in date setter, ensuring a perfect taste; The easy release tab in the fermenting lids prevents frustration and sore hands, making opening mason jars a breeze. For Home Fermenting: Use the included oxygen extractor pump to remove air and ensure a must-free ferment; Plus, get inspired with bonus recipes, showcasing delicious ideas to make the most of your sauerkraut fermentation kit, all conveniently included in the box. CONTAINS: 3 wide mouth fermenting lids 3 wide mouth fermenting weights 1 oxygen extraction system Cooking gifts dad Christmas holiday Hanukkah fermenting pickling pickles kimchee mason jar cooking kitchen gourmet nwot present hard-to-buy-for