
Haven't used these for canning but have used other Ball jars and they work great. These special glasses come in superb packaging with foam all around and are securely locked to avoid breakage in transit. I use them for Christmas spice jars. They are the perfect size for giving that special rub to someone you want to try. Enough space for a few servings. And after they use up all the spices, they have a wonderful reusable jar. I have a few of these in my kitchen and they are just such a useful size. Overall I am very happy with the quality of these glasses.

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