The downside is there’s no handle or a texture to boost grip, though the color coating on the outside provides a light layer of non-slip. This high-end travel mug looks as good as it functions.

The best microwaveable coffee mugs are made from glass, ceramic, or BPA-free plastic and have a handle that stays cool enough to hold comfortably. No matter what material you choose, make sure ...

It could only hold 10 ounces of liquid — objectively not enough, thankfully there’s a 14-ounce model now — and it was a standard mug with a handle ... with no heater and not much insulation ...