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Title: Haven't touched a mug since I got these.
Review: Love these mugs. I haven't touched my metal thermo mug since I got these. The metal with plastic lid gives an off taste to hot beverages that the glass doesn't. Keeps my tea hot till I drink it and my beer cold. The only drawback is that the inner glass is so long and narrow that when the glass is 1/3 full, suddenly returning it to the vertical position after drinking results in a squirt of liquid shooting out of the glass onto my glasses. I've learned at that stage of drinking to return the glass more slowly to the upright position. I have arthritis in my hands but much prefer the 20oz size so I don't have to refill so often.
