【Perfect Fit】：This flip straw lid is specifically designed for Stanley 40 oz tumblers Compatible with Stanley Cups, including Adventure Quencher Travel and Quencher H2.0 Flow State tumblers,This lid ensures a secure fit and effective spill-proof protection. 【Food-Grade Safe Material】: This leek proof lid is made of BPA free food grade plastic and high-quality PCTG material, odorless, and reusable for daily use,these food-grade materials are both safe and durable, ensuring a long-lasting, odor-free experience with your favorite drinks. 【Leak-Proof and Spill-Resistant】: Our 40 oz replacement lid design is used to prevent liquid leakage. Once securely fixed, It will ensure complete leakproof, never worry about liquid spilling again. You can easily take the water cup with you when you go out, or turn it into a fitness tool. 【Easy to Clean & Removable】: The 40 oz tumbler flip lid replacement for Stanley features a detachable design, making it very easy to clean and maintain, greatly extending its lifetime. 【Family Set】: The package includes 2 pieces 40 oz no spill lids, 2 pieces straws,1 auxiliary disassembly tool,for yourself, family, friends, or for spare; Personalized Color Options to Brighten Your Stanley Cup，The perfect choice for tumbler enthusiasts who value quality, convenience, and style! 2 Pack Detachable Flip Straw Lid Replacement for 40oz Stanley Quencher and ProTour,Leak Proof Lid for 40 oz Stanley Cup,No Spill Tumbler Lids Reusable Replacement for Stanley Cup Accessories