Description: Simplify your fermenting process with these Silicone Waterless Airlock Fermentation Lids! Designed for wide-mouth mason jar, this set of 5 reusable lids ensures automatic venting without the need for complicated airlocks or water seals. Perfect for making homemade sauerkraut, pickles, kimchi, and more, these lids make fermentation easier and hassle-free. Features:. Fermentation Lids. -Color: Transparent white + transparent blue + transparent purple + transparent red + transparent green. -Material: Silicone. -Size: Diameter 8.4 cm/3.31 inch. Height 2 cm/0.79 inch. Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Package Including 5 * Fermentation Lids Looking for specific info?: Automatic Venting: No need for manual burping! These lids automatically release pressure, allowing gases to escape while keeping your ferment sealed and oxygen-free, ensuring perfect results every time. Waterless Airlock Design: These fermentation lids feature a waterless airlock system that automatically vents excess gases while preventing oxygen from entering, ensuring a safe and efficient fermentation process. Easy to Clean: The smooth, silicone design makes these lids easy to clean by hand or in the dishwasher, ensuring a hygienic and effortless fermenting process. Reusable: Made from quality, BPA-free silicone, these reusable fermentation lids are eco-friendly and built to last, saving you money while reducing waste. Fits Wide Mouth Jars: Designed specifically for wide-mouth mason jar, these silicone lids fit securely on standard jars, making them ideal for fermenting pickles, sauerkraut, kimchi, and other homemade fermented goods.