Perfect Fit: 40 oz spill proof replaceable tumbler flip straw lid compatible with 40 oz Stanley Quencher H2.0 tumbler. Leakproof Design: Engineered to prevent leaks and spills, good sealing performance allow you to carry, do sports, and drink with complete peace of mind, without worrying about liquid splashing, and enjoy delicious drinks. Quality Material: 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. Convenient Flip Straw: Collapsible straw design, easy to drink, hygienic and convenient, prevent dust from entering the cup, enjoy delicious drinks with peace of mind. Accessory Set: The package includes 2 pieces 40 oz no spill lids, 2 pieces straws, providing all the accessories you need for a hassle-free drinking experience with your 40 oz cup. 🎁Best Gift: The best Gift for friends, family or ourselves. This JIZHOUYAO tumbler flip straw lid is specifically designed for 40 oz tumblers compatible with Stanley, including Adventure Quencher Travel, Quencher H2.0 FlowState tumblers. This tumbler flip straw lid is only compatible with Stanley tumbler mugs.