SUPERIOR SEALING PERFORMANCE- This flip straw cup lid features advanced sealing technology, ensuring a perfect leak-proof effect at any angle. Even when the tumbler is turned upside down, there’s no spill, ensuring mess-free travel in your car or wherever you go. Keep your drinks cold, iced, or hot for hours, it is a cost-effective replaceable,saving you from having to buy a new cupEASY TO CLEAN-  Easy to disassemble for hassle-free cleaning, whether by hand or in the dishwasher. Simply remove the straw and flip open the lid to clean every nook and cranny. Both the lid and straw are made of safe, and allowing every user to drink with confidence.You just need to wash it with your hands or dishwashers. This feature will effectively save your precious timeCONVENIENT ONE- CLICK OPERATION-The lid is designed with a convenient one-click mechanism, allowing for easy opening and closing of the straw hole with a gentle press.2 pcs tumbler lids replacement cup flip straw tumbler lid can make you enjoy your favorite beverages on the go without having to remove the entire lidPROTECTION-  Protects your beverage from dust and debris, keeping your drink clean and fresh in any environment.2 pcs flip straw lid replacement is designed specifically . It provides a perfect fit, ensuring that your tumbler remains leak-proof and spill-resistantWIDELY UESD- You can use this useful tool for tea mugs, stainless steel mugs, coffee mugs, ceramic mugs, wine glasses or glasses in office, home, school and more.The sturdy flip straw makes it easy to drink from, whether you're at the gym, in the car, or out for a hike