very good product, i drink my coffee out of it every single morning. a tiny little itty bitty problem i have with it though, is that every time i drink anything except for coffee out of this mug it barrates me for having bad taste. makes me very sad, honestly. i didnt know cups could talk, but appearently i have been proven wrong. i would really appreciate it if you could start double checking if your cups are possesed by melicous spirts who like to insult you! except for that, great product!!