I'm thinking of canning this year and I don't think I've ever noticed them in a store, thanks!
Originally Posted by AllisonK
We get ours at Goodwill or Craigslist or Freecycle. They are cheap and all you have to check is if they are cracked. Pay special attention to the rim as if there are cracks or chips they will not seal. I was given some really pretty antique blue mason jars once and I love them!