✅ PERFECT FIT FOR 40OZ STANLEY CUP : Designed exclusively for Stanley Quencher lid replacement 40 oz, ensuring seamless compatibility with Stanley Adventure Quencher Tumbler. No leaks, no wobbles. ✅ LEAKPROOF & DURABLE: Upgraded 40 oz Stanley straw lid replacement features triple-seal technology. Lock the rotating cover to prevent spills in bags/cars. ✅ INNOVATIVE FLIP STRAW DESIGN: The spill proof replacement lid fit for 40 oz Stanley has a built-in foldable straw, which can be quickly unfolded or folded by pressing a button, and it's suitable for scenes such as car cup holders and backpack side pockets. You can enjoy a smooth drinking experience at any time during outdoor hiking and traveling. ✅ FOOD-GRADE MATERIAL: The 40 oz tumbler leak proof lid replacement crafted from BPA free, food grade plastic, no odor and reusable. It’s ideal for daily use, whether you're traveling,sports,work and other occasions. ✅ COMPREHENSIVE ACCESSORY SET: The package includes 2 pieces 40 oz no spill lids, 2 pieces straws, for yourself, family, friends, or for spare; Personalized Color Options to Brighten Your Stanley Cup，providing all the accessories needed compatible with Stanley 40 oz cups for a hassle-free drinking experience. Flip Straw Lid Replacement for Stanley Quencher 40 OZ Tumbler