Two Lumps of Sugar Silicone Fermentation regular Lids-Royal, 4-Pack. The perfect companion for creating probiotic-rich, delicious fermented foods right in your kitchen. Designed with both novice and seasoned fermenters in mind, these premium lids transform your regular mouth mason jars into airtight fermentation vessels, ideal for crafting sauerkraut, pickles, kimchi, and more. Our fermenting caps can be used to ferment vegetables such as cabbage, cucumbers, garlic, tomatoes, radishes, and more. Combining functionality, durability, and a splash of whimsy, this 4-pack in royal regular mouth lids brings a dash of color and convenience to your culinary adventures. Fermentation Lids allow CO2 to leave while oxygen is kept out. Our silicone fermenting airlock caps are self-burping and have a one-way waterless valve to vent gas automatically while fermenting foods at home. No Water, burping, or maintenance required. Make your probiotics economically and naturally at home. Food and dishwasher safe, easy to clean, BPA free, no PHTHALATES, sturdy and durable.
 Ferment like royalty with the Two Lumps of Sugar Fermentation Lid Regular Mouth Royal 4-Pack. These elegant royal blue, BPA-free plastic lids fit regular-mouth mason jars and include airlocks to vent gas while preventing air entry "perfect for crafting kimchi, pickles, or cider. Equipped with silicone seals and dishwasher-safe durability, this 4-pack blends majestic style with top-notch fermentation functionality.