Title: Unsanitary and uncleanable
Review: I bought this mug because of the very high ratings it got and I'm very sorry I did. There is a problem with slime/mold/mildew that develops inside a difficult-to-reach part of the lid. We did clean it after every use as recommended, but after 90 days of use, chunks of black slime/mold/mildew flushed out into the sink during cleaning. There is NO way I'll ever let this type of Contigo travel mug be used by my family members again! (This also explains why a number of reviewers complained about a smell developing in the lid.)I see that users who have noted this problem have been subject to comments by a Contigo customer service rep who blames the user for not following "Recommended Care and Use" procedures! Contigo should be looking at the poor engineering and unsanitary design of their product before blaming others for this problem.
Is this product review negative?