Stanley does make leakproof bottles with foldable straws so wouldn't that be better for those purposes? Reply reply More replies. fmltwice. It's a cup though, I wouldn't expect a coffee tumbler or other cold drink cup to not leak. The straw seal was never meant to keep it airtight. If your child needs something to put in their bag get.. The good news is, most of the reasons Stanley Cups leak are relatively easy to diagnose and pretty cheap to fix — at least as long as you know what to look for. 1. Stanley Adventure Quencher's Aren't Leak Proof. When people have issues with their Stanley Cup leaking, it's often because they're using an older, leak-prone model.
The Stanley leaks and not just a little bit.. It fits in most cup holders. The standard car cup-holder size can vary depending on the make and model of the vehicle, so this may not be true for.. Despite this, the cup remains entirely leak-proof, making it a perfect vessel for joyous triumphs on the ice. The remarkable design and craftsmanship of the Stanley cup enable it to preserve the precious moments of victory while withstanding the enthusiasm of the winning team's celebrations.