【Compatibility Fit】 Compatible with Stanley Quencher H2.0 40/64 oz and 40 oz ProTour tumblers, this Stanley leak proof lid offers a perfect fit function for Stanley enthusiasts. Enjoy hassle-free use with a lid made for Stanley cups. 【Leak Proof & Spill Proof】 Featuring a secure flip straw lid, this leak proof lid, no spill keeps your drink safely contained and fresh at all times. Whether you're commuting, working out, or relaxing at home, it offers peace of mind by preventing messy leaks and spills wherever you go. 【Durable & Reusable】 Crafted from BPA-free plastic, this durable replacement lid is built for everyday use. The no spill design makes it a reliable upgrade for your Stanley cup lids. 【Single-Hand Flip Convenience】Enjoy smooth one-handed sipping with the Stanley flip straw lid and sturdy long straw. Paired with a secure Stanley top, it's perfect for iced coffee, smoothies, and daily on-the-go use. 【Tip】Includes 2 lids and 2 reusable straws for Stanley 40 oz tumbler (not suitable for tumblers without threads). These Stanley cup accessories offer a perfect fit for daily use, travel, or outdoor adventures. 2 Pack Flip Straw Lid Replacement for Stanley Quencher H2.0 40 64 oz Tumbler, Leak Proof Spill Proof Lid for 40oz Stanley ProTour, Straw Cover Top for Stanley Cup Accessories