It is a simple rule: Any glass jar kept out of the ... since the flip-top lid isn't water-tight anyway. I also tried a variety of official Ball and Kerr Mason jar lids on the plastic jars.

“The quart jars can double as big tumblers for ice water or lemonade. These are so cute/handy! I love them.” Her glass Mason jar water bottles don’t contain any plastic or lead, and they ...