Description The Weight is made of good glass material, durable for long-lasting use. They can be used for . For example: wine , craft , sauerkraut, fruit wine, rice wine, carrot and ginger. Multi-function and practical, and this Weight is your best choice. Features -Color:As Shown -Material:Glass -Size:7.00X7.00X2.70cm/2.75X2.75X1.06in - This Fermenting Lid is made of high class material, which can be used for a long time. - The fermenting lid can effectively prevent oxygen from entering the jar to contaminate the ferments - Fermenting lid is designed with compact size and light weight, and convenient and easy to store. - The fermenting lid has exquisite workmanship, which guarantees practicability and durability. - Providing you with a perfect lactic acid ferment every time, so you can fill your mason jar. This Fermenting Lid is made of high class material, which can be used for a long time. The fermenting lid can effectively prevent oxygen from entering the jar to contaminate the ferments Fermenting lid is designed with compact size and light weight, and convenient and easy to store. The fermenting lid has exquisite workmanship, which guarantees practicability and durability. Providing you with a perfect lactic acid ferment every time, so you can fill your mason jar.