Quality Glass Material: fermentation crock with water seal airlock lid is made of quality health glass, which is reliable, safe for most kinds of food and liquid, ideal for storing and fermenting food Proper Capacity: glass fermentation jar is available in 2 sizes, the smaller one measures approx. 8 x 6 inches, the capacity is about 1.5 Liter, the larger one is about 9.5 x 6.3 inch, the capacity is about 2.5 Liter, which giving you enough space for homemade vegetable kimchi, pickles, canned peaches, pickled carrots, jams, preserves, tomato paste, wine and more Water Seal Airlock Lid Design: glass fermenting jars are designed with water seal airlock lid to ensure the good environment for fermenting, no dust, or impurities penetrate into the food, as well as let the fermentation air out, avoiding the entry of outside air and the leakage of sour taste; The transparent color makes it easy for you to observe the progress of the fermentation Easy to Use: you can pour some water around the cap bowl of the traditional pickling jar to form an airtight seal where outside air will not enter the glass fermentation jar, ensuring that your vegetables are properly preserved, while maintaining good air circulation; You can use chopsticks to take the food in and out Wide Applicability: kimchi containers with water seal airlock lid is versatile, and applicable for storing vegetables and homemade pickled food, such as pickle, sauerkraut, vegetable, wine, grains, canned food, honey and more, convenient and practical