6pcs Silicone Spill Proof Stopper Set Straw Cover for Stanley Cup 1.0 40oz/ 30oz

ONLY Compatible with Stanley 1.0 : for Stanley straw cover compatible with Stanley Cup 1.0 40oz/ 30oz. Installed in the straw hole of the lid, it not only forms a seal, but also holder the straw. All-Round Spill Stopper Set : The straw cover for stanley 40 oz head cover can prevent drinks from spilling from the straw and dust from entering, keeping the straw clean; the round leak stopper improves the sealing and ensures drinking air can enter.the square spill stopper can form a seal and fix the straw.

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Buy 6pcs Silicone Spill Proof Stopper, Stanley Cup Spill Proof

SET STRAW COVER Cap Square Spill Stopper For Stanley 1.0 40oz