Ensure Compatibility First: Our fermenting kit is designed to adapt to various container shapes – circular, square, or jar. With flexible plastic material. you can adjust the round wing, and make it seamlessly accommodates different shapes and capacities. Ideal for various food-making ventures, with a recommendation for jar mouth sizes over 7.5 inches (19cm). Effective Oxygen Prevention: Preserve the purity of your ferments with our Mason jar fermentation Kit. This press adeptly prevents oxygen from infiltrating the jar, safeguarding your ferments. Fermenting Helper: Crafted with a reliable design, our Fermentation Kit stands the test of time. Constructed from food-grade plastic materials, it ensures longevity, safety and durability, providing steadfast support throughout your fermentation journey. Pickle Fixing Tool: Elevate your pickling efficiency with our pickle fermenting weights. Designed for swift compression of pickled vegetables, it's a time-saving ally that reduces the effort in your pickling process. Multipurpose Press Tool: Embrace the art of pickling with our versatile fermenter. Whether it's cucumbers, onions, fruit pickles, kimchi, jalapenos, minari, peppers, or crafting fermented drinks, our fermentation kit caters to a wide range of culinary delights.