Title: Great theory, Needs work on how liquid pours out.
Review: While I love many things about this mug, the most frustrating thing is how the hot liquid pours into your mouth. In my opinion it should have a lip like most mugs do. I use this mug to hold coffee directly from my one-cup coffee maker that brews coffee at the most ideal temperature. However the cup instructions state not to use with liquid above 90 degrees. I can see why. When I drink the coffee through this type of design it burns. It never did when I used ALL my other cups. I can't wait til they redesign the lip on the cup. Then I think it will be perfect. Until then, I cannot even use the cup, it's too uncomfortable.Pros:Great heat retentionGreat Stainless steel contour design and durabilityGreat Splillproof mechanismCons:Poor mouth designI would not buy a colored one, you cannot wash it in the dishwasher
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