Leak Proof Plug - The spill stopper set is designed to create a effective seal, even when the container is tilted or inverted, preventing liquid from escaping the container. This ensures a reliable and secure closure, greatly reducing the risk of accidental spills
Fit Stanley 1.0 Version - Our leak stopper set is compatible with Stanley cups in the 1.0 version, both in 40 oz and 30 oz sizes. Enhance the Leak-Proof Capability of your tumbler with these accessories. Please carefully check the compatibility before order
Comprehensive Spill Protection - The straw cover effectively prevents liquid spills and keeps dust out. The square spill stopper, installed in the lid's straw hole, not only creates a reliable seal but also holds the straw in place. The round leak stopper further enhances the seal, ensuring leak-proof protection
Food-grade Silicone Material - Our cup accessories are made of premium food-grade silicone, BPA-free, washable and reusable, environmentally friendly, With excellent sealing performance, providing you with a safe and leak-free experience
Spill-Proof Set - Our set includes 3 straw cover caps, 3 square spill stoppers, and 3 round leak stoppers, providing complete protection against spills. No more concern about water spilling into your car, documents, or computer