You may have gone to great lengths to nab one of the trendy Stanley tumblers, and if so, you probably take it everywhere and constantly sip on it. But how often are you washing it? Most likely, it’s ...

You love your Stanley, your Yeti, your Contigo, even your generic water bottle. When was the last time you cleaned it? The answer should be after each use, but at least daily. Why? Stagnant water plus ...

Plastic travel mugs may have had a heyday in the 1980s, but eco-conscious consumers (and campers and construction workers across the U.S.) have known there’s a better way for over a century. Founded ...