🥤【Perfect Compatibility】This replacement flip straw lid is specifically designed for Stanley 40 oz tumblers, including Stanley Adventure Quencher Travel, Stanley H2.0 FlowState tumblers. 🥤【Leak-proof Lid】Our leak-proof lid is designed to prevent liquid leaks. Once securely fastened, it ensures leak-proof performance, providing you with peace of mind during both use and storage of the tumbler. Never worry about liquid splashes again. 🥤【Premium Materials】Made of BPA-free plastic, food-grade and odorless, highly transparent. The reusable straw lid is easy to wash and keep clean. 🥤【Practical Function】These flip straw lids can be opened or closed flexibly, easily operated with one hand. After closing the lid, it can prevent dust from entering and keep the liquid in the cup clean. The leak-proof design allows you to use your water cup more casually without worrying about leaks. 🥤【Comprehensive Set】The set includes 2 pcs replacement flip straw lids, 2 pcs reusable straws to enhance your experience, make sure you have enough replacement parts. Stanley 40 OZ Flip Straw Lid Replacement