guyotdesigns | Products: FireflyThe Firefly, Invented by Eric Goldfarb is a unique design which turns your bottle into a lantern. The Firefly's unique design allows it to be used right side up, upside down, or hanging from the nearest handy branch. The unique lid design contains an integrated LED light which spreads a warm glow throughout the bottle. It has variable light levels so you can have a nightlight for storm
