This multi-function fermentation lid is designed to simplify the fermenting process. The pickle jar lid are compatible with a variety of jar sizes, while the weights keep your ingredients submerged. This fermentation lid helps to create the ideal environment for fermenting vegetables, resulting in flavorful and healthy homemade ferments. Features -Inner diameter: 7.5cm - Color: Brown -Material:Ceramic - Size: 10.20X10.20X2.00cm/4.01X4.01X0.79in -Strong ceramic: made from ceramic, this fermenting weight is designed for durability and use, nice for your pickling and fermenting needs -Preserves freshness: the inner lid design helps maintain the freshness and taste of your pickles, ensuring they stay delicious and flavorful over time -Enhances flavor and texture: by pressing down the pickles, the lid enhances their texture and flavor, making your homemade pickles even more enjoyable -Multifunctional use: this jar fermentation lid is suitable for use with sauerkraut jars, pickle jars, and jars, providing versatility for various fermenting projects -Easy sealing: the pickle jar lid offer a convenient way to seal and store your food, keeping this fermentation lid fresh and safe for extended periods Package list: 5 x kimchi jar lid