A side-by-side of a Stanley Cup and an Owala water bottle.
Stanley's manufacturing process includes lead; Owala's doesn't.
  • Yes, Stanley's insulated stainless steel cups contain lead.
  • Does it pose a safety risk? Experts say it doesn't, but public perception is a powerful force.
  • The increased concern presents a golden marketing opportunity for lead-free competitors to step up.

The news that Stanley's insulated stainless steel cups contain lead sparked a frenzy of concern on social media about the potential health risks for consumers.