Turn a Canning Jar into a Travel Mug with Cuppow

Cuppow is a silicone drinking lid that converts any wide-mouthed canning jar into a travel mug.  Canning jars are sturdy, heat-resistant, easy to clean, and cheap, but their wide openings don’t make them a travel-friendly mug.  Simply replace the seal with the Cuppow, screw the ring back on, and you have a eco-friendly cup that [...]

Source: http://the-gadgeteer.com/2012/01/28/turn-a-canning-jar-into-a-travel-mug-with-cuppow/

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