In our research, we've found that many tea drinkers experience many of these issues with their tin tea tumblers. Please vote and let us know if you any of this has ever happened to you?
1
vote
I sometimes worry about how clean my tumbler is, because I can't see through the sides of the tumbler.
My current tin tea tumbler keeps my tea too hot for extended periods of time.
Overtime my tea takes on a sharp metallic taste.