Ok, it's true this has been around since 2006 but who doesn't like polarized light, the Firefly lid turns your water bottle in a lantern, you can stand it right side up, upside down or hang it while camping. Developed by Eric Goldfarb, the lid contains an integrated LED light and 3 AAA batteries in a separate sealed compartment allowing the lid to function as normal without risk of contamination. Interesting concept for anyone still considering entering MUJI's found design competition.
The Firefly lid is compatible with all standard wide mouth bottles and retails for $21.95 US.
via designboom
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