Feature: Package ContentYou will get 10 sets Wide mouth mason canning jar lids, adequate quantity for you to use, replace and sharing with your family or friends; Note: the mason canning jar is not included... Good SealingThe sealing ring inside the jar lid makes the mason canning jar lids have good sealing performance, air tight and leak free, tightly seal ensures it's suitable for keeping food, grains, dressings, drinks for fresh, no need to worry about leakage that may contaminate the kitchen or other places after sealing materials... Premium MaterialThe jar lids and bands are made of tinplate ; they are rust proof and durable, can be applied for many times use; high and low temperature resistant, so it can be served in refrigerators, dishwasher and microwave ovens Split DesignThe band can be applied in combination with silicone fermenting lids and stainless steel sprouting lids, the screw thread on the bottle mouth can increase the friction force of hands, which facilitates the opening of the bottle... Wide ApplicationSuitable for sealing the mason canning jars that stored spices, sweets, biscuits, fruits, jams, soft drinks, tea or coffee, nails, screws and other small objects, please make sure the size before purchase... Specification: Size: regular mouth Color: silver Material: tinplate Packing List: 10 x Sets of Wide Mouth Jar Bands Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Recommend to dry with a cloth after washing to prevent rusting.