Stanley, the maker of the obscenely large adult sippy cups that people are going feral over, confirms that yes, one part of the cups is made with lead — but that exposure to it would be “rare.” ...

When it's time to give up bottles, sippy cups make the transition easier without interfering with oral development. I ...

The latest craze among celebrities and on social media is not a designer bag. It's an almost comically gigantic 'adult sippy cup' insulated water tumbler ...

But then the other day, in this very adult office, I noticed not one but two co-workers sporting the grown-up equivalent of a sippy cup. In the boardroom! Now I see them everywhere.