High-Quality Material：Idea Companion Proof Stopper Made from food-grade silicone, BPA-free, and easy to clean. it“s can prevent the straw from being contaminated by dust and saliva in the air, and also prevents crumbs from entering the water cup, keeps the straw and cup hygienic, and let you drink with confidence anytime!
High quality sealing：The silicone sealing upgrade kit is compatible with stanley h1.0 quencher tumbler lids (20/30/40 oz).The leak stopper set is designed to significantly reduce spills, providing an improved leak-resistant solution for Stanley cups.
Easy to Install No More Spills:The seal upgrade kit includes the center shaft cover, the straw hole seal, and the straw cover. After the installation is complete, the cup will not leak even if you turn it over.No more worrying about ruining your car, paperwork, or computer!
Packaging specifications：Including 2 straw caps, 2 square spill stoppers, and 2 round lid leak stoppers
Widely used at home：Suitable for most Stanley Cup and straw caps，you can use it yourself or give it to your own family or friends.
Description
Are you still troubled by the leak of tumbler? The stanley sealing upgrade kit can solve this problem, no longer have to worry about spilling water into your car, paperwork or computer.
The silicone sealing upgrade kit is compatible with stanley h1.0 quencher tumbler lids (20/30/40 oz).it“s can prevent the straw from being contaminated by dust and saliva in the air, and also prevents crumbs from entering the water cup, keeps the straw and cup hygienic, and let you drink with confidence anytime!
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