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Title: Guarenteed leakproof lid and drinkproof
Review: Beautiful mug and the coffee stays hot. When they say leakproof lid, however, they really mean it. Even in the open position NOTHING comes out!!! Can't figure out if it is possible to adjust the lid. We have to drink our beverages with the lid off which defies to whole purpose of "travel mugs". I took advantage of the 5 year warrenty and the replacements had the same problem. Apperently as the gasket on the lid heats up it expands. Then the seal is just as tight as if it were in the closed position. We are very unhappy with this product and I wish to give it -5 Stars.
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