Have confidence in the shelf life of your home canned food with Ball Regular Mouth Mason Jar Lids. The tight vacuum seal on these home canning jar lidswill lock in freshness while keeping oxygen out. Enjoy home grown vegetables and homemade sauces all year long. Make sure you’ve got the right seal with Ball Regular Mouth Mason Jar Lids.Features With white protective inner coating Fits all regular mouth home canning mason jars Mason jar bands are not included Made in the U.S.A. Specifications Quantity: 12 Style: Regular Mouth Material: Tinplate Steel