Silicone Spill Proof Stopper Set for Stanley Tumbler

Product Description Made from premium food-grade silicone rubber, these protective spill stoppers are not only safe but also reusable, ensuring a premium and safe drinking experience. With the spill stopper installed in the straw hole of the lid, you can enjoy peace of mind, knowing that your health is always a top priority. The spill stopper is designed to fit 40 oz Stanley cups and 30 oz tumblers with handles, providing a snug and secure fit due to its precise engineering to match the exact dimensions of your favorite tumbler.

The silicone spill stopper not only forms a seal but also holds the straw in place, preventing debris and dust from entering through the straw, significantly reducing spills and offering an improved leak-resistant solution for Stanley cup accessories. Additionally, the spill stopper comes with 4 straw cover caps, 4 square spill stoppers, and 4 round leak stoppers, making it straw-friendly and compatible with most straws less than 0.39" / 10mm in diameter for a more convenient drinking experience.

Easy to install, our spill stopper for Stanley 40/30 oz tumblers can be effortlessly inserted and firmly pressed down, ensuring hassle-free usage whether you're on the go or using it in your daily life. Our Stanley cups come with three options: Silicone Spill Proof Stopper 1.0 and Silicone Spill Proof Stopper 2.0. Depending on whether you have version 1.0 or 2.0 Stanley cups, you can choose the appropriate size. Version 1.0 & 2.0 - 6PCS.

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