The lid is leakproof, and the drinking spout slides open and closed with ease. The smaller sizes look more like camp coffee mugs and don’t fit in a cup holder, but the 20-oz version’s handle ...

Travel coffee mugs are usually made of either metal or ... are designed to not allow any liquid to release when properly closed and sealed. These are ideal for mugs that you might need to toss ...

We tested dozens of leading travel coffee mugs to put this ultimate guide together. Testing included tracking the temperature of our coffee over time, as well as ensuring things like leakproof ...