HOMDSG Silicone Spill Proof Stopper Set of 3, Compatible with Stanley Cup 1.0 40oz/ 30oz, Tumbler Accessories, Including 2 Straw Cover Cap, 2 Square Spill Stopper and 2 Round Leak Stopper

[Idea Companion for Cup] Are you still troubled by the leak of tumbler? Our spill stopper set is the best solution, it keeps your cup completely spill proof.
[Only for Version 1.0] Accessories Including 2 straw cover cap, 2 square spill stopper and 2 round lid leak stopper, compatible with stanley tumbler 1.0 40oz & 30oz only .
[Straw Topper] The straw tip cover cap prevents water from spilling out of the straw, and can stop debris and dust from entering through the straw.
[Round Leak Proof Plug] Installed in the middle of the inside of the lid for sealing, with a cross opening design to ensure that air enters when drinking water, making drinking water easy.
[Square Spill Stopper Seal] Installed in the straw hole of the lid, it not only forms a seal, but also holder the straw.
[High-Quality Silicone Material] The spill stoppers set of 3 is food grade silicone, reusable, BPA free, dishwasher safe.