Smart Lid Systems - A color-changing disposable coffee cup lid

Smart Lid Systems - A color-changing disposable coffee cup lid

Truly amazing. Before, when you wanted to know if a coffee cup was hot, you had to physically reach over and pick it up. Now you can just look at it at tell. Apparently brown = normal, and red = really scalding hot. Ouch!

  • great idea - silicon "lid" seals your coffee mug, soup bowl, cereal bowl... you name it, letting you (or the kids) carry it wherever it needs to go with no splashes and spills. Also great for keeping your coffee from cooling off t... great idea - silicon "lid" seals your coffee mug, soup bowl, cereal bowl... you name it, letting you (or the kids) carry it wherever it needs to go with no splashes and spills. Also great for keeping your coffee from cooling off too quickly. just lift the "pop top" to break the seal.

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