【Perfect Fit for Stanley Quencher】This 2-pack replacement flip straw lid is designed specifically for the 40 oz Stanley Quencher tumbler, ensuring a snug fit and leak-proof performance. Also compatible with other similar-sized tumblers like HydroJug Traveler.【Premium Material】Crafted from high-quality plastic, these straw lids are durable and reliable. Crafted from BPA-free materials， no smell when in contact with hot water, safe and reuseable.【Spill-proof and Splash-resistant】Featuring a secure seal, these lids prevent leaks and spills, even if the tumbler is turned upside down. Enjoy your beverages without worrying about messes or wastage.【Convenient On-the-Go】The flip straw allows for effortless drinking without needing to remove the entire lid. Ideal for use during workouts, road trips, or hikes.【Easy to Clean】Simply remove the straw and open the lid for hassle-free cleaning. These lids are dishwasher safe or can be easily hand washed, ensuring a hygienic and ready-to-use tumbler.【Complete Set】The set includes 2 pcs replacement lids(Red and Pink), 2 pcs sturdy straws to enhance your experience, simple and fashionable shape, suitable for many occasions.