You get 20 sets regular mouth canning jar lids or bands, adequate quantity to use, replace and sharing with your family or friends. The sealing ring inside the jar lid makes the canning jar lids have good sealing performance, air tight and leak free, tightly '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 , can be applied for many times use; high and low temperature , 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 canning jars that stored spices, sweets, , 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 Jar Lid Note: the canning jar is not included. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.