Every single one of the pros I talked to for this story said that not only are ceramic, glass ... and save the rest for later. All the travel mugs on this list have temperature retention for ...

It's so well insulated ... real mug shape also makes me feel ... settled in, if that makes sense. I mean, I suppose that's a weird way to put it, but when I drink from tumblers and travel cups ...

To create a gauge for how good an insulated cup really is, Michael decided to measure them against a standard ceramic mug ... certain ‘smart mugs’ like the Ember travel mug allow you to ...