You will get 20 sets regular mouth mason canning jar lids or bands, adequate quantity for you to use, replace and sharing with your family or friends. The sealing ring inside the jar lid makes the mason canning jar lids have good sealing performance, air tight and leak free, tightly seal it's suitable for keeping food, grains, dressings, drinks fresh, no need to worry about leakage that may contaminate the kitchen or other places after sealing materials. The jar lids and bands are made of tinplate and the lid covers a ring that made of PVC; 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. The 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. Suitable 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. Style: lid Style: ring + cover Colour: Silver Material: Tinplate Size: 86mm Package Contents: 20 x Mason Jar Lid Note: the mason canning jar is not included.