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Title: TOTALLY USELESS!! READ THIS REVIEW
Review: I bought 3 of these for myself and 2 co-workers. (so its not that I got a faulty one) All 3 of us used it and agreed they are useless. Your drink will stay luke warm at best.It does "warm" the bottom of the mug though, so technically it isn't false advertising.Thanks for another crap product China.
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