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Mason Jar Drinking Lid

This device turns canning jars into hipster-y beverage cups.

What We Learned

This thick, BPA-free plastic lid is designed to turn regular and widemouthed canning jars into spill-free drinking vessels. Simply secure the lid in place with a metal canning band and pop a straw into the raised diamond-shaped opening (which can also be used for sipping). However, we found that this hipster-y product wasn’t especially practical. Tightening the band around the lid d...