Spill Proof Stopper Silicone, Compatible with Stanley Cup 1.0 40oz/ 30oz, 9Pcs Tumbler Accessories, Including 4 Straw Cover Cap, 2 Square Spill Stopper, 2 Round Leak Stopper & 1 Brush (White, 1.0)

Are you still troubled by the leak of tumbler? Our spill stopper set is the best solution, silicone spill stopper set keeps your cup completely spill proof.

Installed in the straw hole of the lid, it not only forms a seal, but also holder the straw.

Effectively preventing splashing and dust High Quality Material: Made of safe food grade silicone, BPA-free, durable and reusable, eco-friendly and non-toxic.

Can be used for a long time without deformation.

Good heat resistance and sealing performance.

Hand washable and dishwasher safe.

A thoughtful gift for family and friends! All-Round Spill Proof: The straw tips cover can prevent beverages from spill from the straw and dirt from entering, keeping the straw clean; The square straw plug can form a seal and secure the straw; The round leak proof plug with an open design is used to improve sealing and ensure that air can enter when drinking.

TIPS: While it may not be completely leak-proof, our stanleycup leak stopper is designed to significantly reduce spills and overflow, providing an improved leak-resistant solution for your tumbler.