Silicone Spill Stopper for Stanley 40/30 oz  Round Leak Stoppers Square Cup Accessories Dust-proof

• A Good Partner of the Cup : Are you still troubled by the leak of tumbler? While it may not be completely leak-proof, our leak stopper for stanley cup is designed to significantly reduce spills and overflow, providing an improved leak-resistant solution for your tumbler. Don't let water leakage ruin your day !
• Durable & Safe Material : Made of safe food-grade silicone, our spill stopper for stanley is eco-friendly, BPA-free, and can be used for an extended period without deformation. Our accessories for stanley cup also has excellent heat resistance and sealing performance.
• Easy to Install & Clean : Installing the spill stopper for stanley is easy – simply put it on top of your tumbler lid and press gently and it is ready to use. It fits snugly and securely and is both hand washable and dishwasher safe. A thoughtful gift for family and friends. Whether you're traveling, engaging in outdoor activities, or using it in your daily life, you can confidently say goodbye to messy spills with our leak stopper for stanley.
• Total Protection : The straw cover prevents spillage from the straw and keeps dirt out, keeping your straw clean. The square straw plug securely seals the straw to prevent leaks, while the round leak-proof plug, with its unique design, enables proper air flow for a steady and smooth drinking experience. Say goodbye to messy spills and hello to a more convenient, leak-resistant tumbler experience!