Kitchen

Why Mason Jar Lids Come In 2 Pieces

Among the biggest problems with mason jar lids is that they can be awkward to handle. The lids come in two parts: the screw band and the flat top. These components can be tough to take off, especially when first opening a mason jar, leaving you to wonder why they were designed in such a fussy fashion. The truth is, the two-part lids serve an important purpose: keeping food fresh and secure from outside elements that contribute to spoilage.

To understand the function of mason jar lids, it helps to take a look at the canning process itself. When you can food in mason jars, you typically leave about ¼ inch of space on the top. Then, you lay the flat top over the opening with the rubber seal side down and gently tighten the screw band. From ther

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