smartlid.jpg

Purposely developed to prevent you from being burned by hot coffee (and retailers from potential lawsuits), the Smart Lid turns red when it’s “too hot” to drink. It also shows broken rim line if the lid isn’t properly sealed.

I guess printed warnings on the cup isn’t enough for people to merit any concern. Is it a waste of money? I’ll let you decide.

Product page via Shiny Shiny via Gizmodo

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