3Pcs Leakproof Spill Proof Stopper Set Silicone Spill Stopper for Stanley Cup 1.0 2.0 40oz/ 30oz

Label:Yes High-Quality Silicone Material:The spill stoppers set of 3 is food grade silicone, reusable, BPA free, dishwasher safe. 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. Straw Topper:Different from the male model products on the market, our product has threads inside the outer cover, which has better sealing performance.0.6cm-1cm straws are suitable.The straw tip cover cap prevents water from spilling out of the straw, and can stop debris and dust from entering through the straw. Square Spill Stopper Seal:Installed in the straw hole of the lid, it not only forms a seal, but also holder the straw. For version 1.0/2.0:compatible with stanley tumbler 1.0/2.0 40oz & 30oz. Packaging: 3Pcs Spill Proof Stopper Set