Mason Jar Lids Regular Mouth: regular mouth canning lids with sealing bands. In your home and meet your canning needs. Jar lids: Made of tinplate, can provide good sealing performance, air tight and leak proof, suitable for keeping food, grains, dressings and drinks , no need to worry about leakage that may contaminate the kitchen or other places, safe and durable to use, suitable for long-term use. Split Design: Split-type lids leak proof design, the both to work together. And the thread design on the top of the canning ring canning increase the friction of the hand, making it easier to seal and open cans when making cans, split type lids reusable leak proof. Mason jar lids for canning it is specially designed to preserve food, you can also enjoy food day. Wide Applications: Regular mouth jar split-type lids and bands are suitable for sealing the canning jars that stored spices, sweets, , fruits, jams, soft drinks, tea or coffee, nails, screws and other small objects. Suitable Size: The mason Jar Lids diameter 2.7 inches , it is compatible with most ordinary regular-mouth mason jars, not compatible with other wide mason jars or bottles. Note: Please check the size before buying. 70mm is a regular mouth, please purchase according to your needs. Colour:Golden Material:Tinplate Package Contents: 20 x Round rings 20 x caps Only the above package content, other products are not included. Note: Light 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.