Perfect for Tumblers: Our tumbler ice mold is specially designed for tumbler cups, our ice mold matches the 40 oz 30 oz 20 oz 14 oz tumbler cups, slower-melting ice cubes that help keep your drinks colder for longer. It’s also compatible with straw cups, leaving plenty of space for refills Various Uses: Enjoy perfectly with our 0.4-inch thick, cylinder-shaped ice cubes. perfect for Stanley cups ranging of 20, 30 and 40oz, You can be infused with fruits, coffee, or herbs for a custom flavor boost. Tumbler ice mold controls both the taste and temperature of your drinks with ease. Easy to Operate: Made from friendly silicone, The ice cube tray makes removing ice cubes effortless. Simply push from the bottom, and ice cube molds to release your fresh ice Convenient to Storage: The ice mold comes with a secure lid, preventing leaks and spills while ensuring your ice remains clean and stores conveniently Durable Safe Material: Ice trays for freezer Made from premium, food-grade silicone, our ice cube tray is both durable and dishwasher safe, offering a long-lasting and easy-to-clean solution for your ice-making needs.