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Deteriorating lid of mighty mug

The mug is in great condition, however the lid started deteriorating after about 6 months of use. It started with a small spot on the lid around the edge, & kept growing larger to the point that it looks like pieces kept coming off.Had to stop using lid. Can a replacement be sent out? Unsure if anyone else has had the same problem.

1 person has this problem

I noticed the black plastic coming off the threads inside the mug where it screws in. I can see a little piece of white where it has peeled off. will this affect the lid being tight? So far so good!

i dropped mine and now the lid does not stay on tight enough to keep any liquids from spilling.  have contacted them twice and no resolution as of yet.


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