For many water drinkers and undercover Diet Coke enjoyers, Stanley cups are a must-have ... While it is perfectly safe to drink from an undamaged Stanley cup, some still see the internal lead ...

Like what happens with the other cups you have? Do they just retire every time you get a new cup?" PEOPLE has reached out to Stanley for comment ... Until the Drink Menu QR Code Left Them Shocked ...

"Nothing beats the Stanley when it comes to keeping your drink cold. My Stanley fits right in my cup holder too," Melissa Gorga said. "Let's get real basic here. We have like 17 Stanleys ...