[NEW UPDATED, FULL SILICONE SPILL-PROOF LID] This upgraded lid is made of full food-grade silicone, which improves a lot of shortcomings compared to traditional plastic lids: for example, plastic lids can't be rotated, which makes the straws and handles too close to each other; and our silicone lids are easy to clean, don't hide stains, have no odor, and are more compatible, etc. and many more advantages [MULTIFUNCTIONAL COMPATIBILITY] This non-tipping flip-top straw lid is designed to be compatible with 40OZ Stanley cups, including Adventure Quencher Travel and Quencher H2.0 FlowState non-tipping. And this cover is compatible with a variety of materials such as silicone straws, plastic straws and metal straws. This nonpareil flip-top straw lid only works with Stanley [PERFECT LEAK-PROOF DESIGN] Replace your cup with this spill-proof straw lid and enjoy a perfect leak-proof experience, no need for any other accessories, you can place your cup in any way you want, you can even put it upside down in your handbag, and it won't leak any droplets, the good sealing performance gives you complete peace of mind when you carry, exercise and drink, no need to worry about the liquid splashing, enjoy the delicious drinks [Foldable Straw] Convenient flip straw, foldable straw design, easy to drink, healthy and hygienic, prevent dust and other objects from getting into the cup, safe to enjoy healthy and tasty drinks [Comprehensive Replacement Accessory Kit]: Package includes 2 pieces 40 oz spill-proof lids, 2 pieces straws and a reusable straw cleaning brush; Available in a choice of colors, pink, blue, white, purple, can be combined and matched with different colors of cups mity rain 2pcs silicone tumbler flip straw lid for stanley cup 40oz, spill proof lid compatible with stanley quencher flip straw lids for stanley cup lid replacement splash resistant tumbler lids (pink)