Kerr Wide Mouth Mason Jars, and Anchor Hocking Glass Canning Jars. What are the best mason jars for freezing? For freezing, we suggest using straight-sided mason jars as they can withstand extreme ...

You may also see Mason jars with the Kerr name on it. And, ironically, Anchor Hocking, which makes dishes similar to vintage Pyrex also made Mason jars at one point. Also, you can try online ...