The biggest problem with the stanleycup is it spills. We understand the frustration of dealing with leaks when using a tumbler, which is why we have specially designed the stanleyspillstopper to permanently solve this issue. Introducing the stanleyleak stopper, theperfect accessory for Stanley 20/30/40/64oz Tumbler 1.0 & H2.0.
- Upgrade your tumbler with stanleyspill stopper 40oz and enjoy improved leak-resistance and convenient sipping with a straw!
- The stanleystopper is designed to significantly reduce water leakage from your tumbler, providing a reliable solution to prevent spills and overflow.
- Made from high-quality food-grade silicone, providing reliable anti-spill protection for your tumbler.
- Say no to low-quality 3d-printed plastic stanleystoppers leak proof degrade over time.
- With easy installation, just place stanleyleak proof kit on top of your stanleytumbler and press it down firmly. It fits snugly and securely.
- These stanleycup spill stopper provide a snug fit, delivering leak-resistant protection without sacrificing your tumblers aesthetics.