One Piece Mason Jar Lids 6 Pieces, Silver

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I have Ball® jars and made mint jelly today. I had one jar that wouldn't fit in the canner so I used this lid and put it one the jar so I don't waste a canning lid. The lids are not stiff, solid lids like say on a jar of pickles but more like a canning ring and lid. They are coated but in time I assume they will rust just like the canning rings do. Even so, the great thing is it screws on the jar good and I don't have to play with a 2 piece top (and waste a lid) for jelly that I have in the refrigerator that will be opened and closed several times before it is gone. I do not believe these are approved for canning with, there is nothing on the box saying they are safe for canning. I think these are only for when you open something and don't use it all, you can use these instead of keeping the two piece top on.

These are great one-piece lids to take the place of the old-fashioned two-piece lids-and-rings. I use the Mason Jars to hold solvents and these rings have a rubber ring built-in to provide an air-tight seal. I have not used these lids for any canning projects which require heat to seal the jars for safety, so I can't tell how these would work for that type of use. But for just using the Mason Jars to hold liquids these work very well.

We liked the first ones so much ordered more. These lids are much easier to use than seal type. I don’t think you can use for canning but very practical for storing honey and other food stuffs. They seal tight, are durable and are easy to clean.

my mistake, too small for my wide mouth jars

I do not know if these leak - I only use them for dry storage. Pleased with quality and prompt service.

Complete garbage don't fit a mason jar!Don't waste your money

They had the look and feel that I wanted. They worked well on the jar as well.