【Food-Grade Material】This cup lid is made of high-quality food-grade ABS material, which is shatterproof, odorless, BPA-free and reusable, dishwasher safe, and the food-grade rubber lid ring adds an extra layer of protection, allowing you to keep your drink sealed and debris-free when you are on the go. 【Perfect Fit】MAOGOOR cup lid is specially tailored for Stanley 40oz Quencher tumbler, designed with superior sealing technology, the replacement flip lid ensures a tight fit with Stanley 40oz tumbler with handle, you don't have to worry about water leaking out anymore. 【Leakpfoof Design】The 40oz replacement tumbler lid features a replaceable flip-top design, adding an extra layer of protection, once securely fastened, it will ensure 100% leak-proof performance, preventing liquid leakage, giving you more peace of mind. 【Hidden Straw】This cup lid straw is easy to open and close, and the tight straw connection ensures that it will not fall off in a backpack or during exercise. When not in use, hide the straw in the cup lid, which can effectively prevent the straw from getting dirty and prevent dust from entering the cup, making drinking water healthier. 【Fashionable and Practical】This cup cover functions just like the original one, fits tightly, you don't need to worry about the cup in your backpack getting wet by water, looks beautiful and practical, it can also be a great gift for friends and family. Tumbler Flip Straw Lid, 1 Pack 40 oz Stanley Quencher Cup Replacement Fit for Tumbler, Spill Proof Splash Resistant Covers,Reusable Leak Proof Tumbler Cover for Stanley Cup Accessories