Title: Not WARM at all (even with preheating!)
Product review: I have always heard GREAT things about Nissan products (or maybe I assumed they were great because they are more expensive than even Starbucks products). However, I am very disappointed with this products. It doesn't keep the liquids hot, even after I preheat it with HOT water. Sad, but true. Also, the lid leaks. Save your money and buy any other kind of insulated mug. This is not worth the money.
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