Versatile Replacement: This 2-pack includes 40 oz tumbler flip straw lids designed as a perfect replacement for Stanley Quencher tumblers, ensuring leak-proof and spill-proof performance. Leak-Proof Design: The lids is a perfect accessory for Stanley Quencher Tumbler,Its feature a secure, tight-fitting construction to prevent leaks and spills,good sealing performance allow you to carry, do sports, without worrying about liquid splashing, and enjoy delicious drinks Compatible Accessories: These replacement lids are compatible with Stanley cup accessories, ensuring a seamless fit and optimal functionality,Collapsible straw design, easy to drink, hygienic and convenient, prevent dust from entering the cup, enjoy delicious drinks with peace of mind Reusable and Durable:The 40 oz tumbler leak proof lid replacement crafted from BPA free, food grade plastic, no odor, reusable; Everyday use with your Stanley 40 oz tumblers Easy Cleaning: The package includes 2 pieces 40 oz no spill lids, 2 pieces straws and comes with a handy cleaner brush, allowing you to maintain hygiene and cleanliness with minimal effort. Upgrade your Stanley tumbler with this 2-pack of replacement lids! These spill-proof and splash-resistant lids are designed to fit 40 oz Stanley Quencher tumblers perfectly. Featuring a convenient flip-up straw, these lids allow for easy drinking while keeping your beverage securely contained. Crafted with durable materials, these leak-proof covers provide long-lasting protection for your Stanley cup. Keep your favorite drinks fresh and prevent messy spills with these must-have tumbler accessories. Dimensions and compatibility ensure a snug fit on Stanley 40 oz Quencher tumblers.