Perfect Compatibility: This spill proof lid is Only compatible with Stanley 40 oz Quencher H2.0 Tumbler & 40 oz Stanley Quencher ProTour, providing a snug fit. No more worries about loose lids, ensure that tighten the lid and fully closed before use. Leak-Proof and Splash Resistant: The lid replacement 40 oz is designed to prevent leaks and spills. The high-quality sealing performance allows you to carry and drink on the go and exercise, without worrying about liquid spills and leaks, enjoy delicious drinks at any time. Uniquely Designed Vial Cap:On top of the replacement lid we designed a small bottle cap, you can unscrew the cap and use it directly when you drink water, you can not use the straw at all, very convenient. Premium Materials: For Stanley lid replacement 40 oz Made from high-quality stainless steel, silicone and BPA-Free plastic, food-grade, odor-free and reusable for everyday use with your Stanley 40oz Tumblers. Multiple Colors Available: Replacement lids are available in black, white, and pink. with a simple and stylish design that is suitable for various occasions or yourself, family, friends. Replacement lids are available in black, white, and pink. with a simple and stylish design that is suitable for various occasions or yourself, family, friends, for stanley cup lid replacement 40 oz.