Insulated coffee mugs?!
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I'm not sure about one's with stainless steel linings, the only thing I can think of is maybe thermos flasks but stainless will stain more than plastic and be more prone to rusting also.
If you're looking for a ceramic travel cup then I'd suggest you try searching for 'I'm not a paper cup'
they are a ceramic cup designed to look like a take away cup
There is a reason not many companies make ones with stainless steel linings, they are expensive and potentially dangerous if there's any rust on them.
No but travel mugs would be a good option.