These premium quality silicone protective accessories are not only safe, but also reusable, providing you with a premium and safe drinking experience. Made from food-grade silicone rubber, you can enjoy peace of mind knowing that your health is always a top priority.

Precisely engineered to match the exact dimensions of your favorite 40 oz Stanley cup or 30 oz tumbler with handle, the Silicone Spill Proof Stopper ensures a snug and secure fit. Installed in the straw hole of the lid, it not only forms a seal, but also holds the straw and can stop debris and dust from entering through the straw, significantly reducing spills and providing an improved leak-resistant solution.

The Silicone Spill Proof Stopper includes 4 Straw Cover Caps, 4 Square Spill Stoppers, and 4 Round Leak Stoppers. The Straw Cover Cap is compatible with straws less than 0.39" / 10mm diameter, ensuring more convenient drinking with most straws.

Incredibly easy to install, these accessories can be easily inserted and pressed down firmly. Whether you're traveling or using them in daily life, the Stanley tumbler accessories will keep your drinks inside the cup and your surroundings mess-free.

For Stanley cup owners, there are two versions of the Silicone Spill Proof Stopper available: Silicone Spill Proof Stopper 1.0 and Silicone Spill Proof Stopper 2.0. When you have version 1.0 Stanley cups and version 2.0 Stanley cups, you can choose the appropriate size. The Silicone Spill Proof Stopper 1.0 and 2.0 both come in a 6-piece set.

In summary, these food-grade silicone accessories are not only safe and reusable but also precisely engineered to fit your Stanley cups and tumblers. The Silicone Spill Proof Stopper effectively reduces spills and leaks, providing a mess-free drinking experience, whether you're on the go or at home. With their easy-to-install design and compatibility with various straw sizes, these accessories are a must-have for Stanley cup owners.

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