A good, tight seal is very important when canning at home. That’s what you’ll get with Ball Regular Mouth Mason Jar Lids and Bands. These bands and lids are designed to fit all regular mouth home canning mason jars, so you won't have to dig for the right match. Getting the best seal possible is a guarantee when you use Ball Regular Mouth Mason Jar Lids and Bands.Features With white protective inner coating Designed to fit regular mouth home canning mason jars Made in the U.S.A. Ball and Ball, TMs Ball Corporation, used under license of Jarden Home Brands Material: Tinplate Steel Specifications Quantity: 12 Style: Regular Mouth Material: Aluminum