1Silicone Material: The silicone reusable non stick silicone ice cube tray is compatible for 3040oz cup and features a separate chamber design for easier release of large ice cubes, which can be removed by simply pushing on the bottom without bending or twisting. 2Easy Use: Simply pour the water or juice into a silicone ice cube mold, cover it and place it in the freezer, and you'll have the perfect ice cube. The ice blocks form in one piece and merge symmetrically. 3Applications: Ice cube tray is perfect for chilled cocktails, whiskey or other drinks that are less diluted. You can customize your favorite flavors by adding fruit, ice cream, soda, and wine to the ice cube mold. 4With Lid: Freezer ice maker molds are designed for cups and come with lid, perfect for making cylindrical ice cubes to keep your drinks cool and refreshing. Pure silicone is easy to clean at high temperature 5Hollow Cylinder Shape: This cylindrical shape of the ice cube can quickly bring it into full contact with the drink, speed up the cooling of water, and slow down the melting speed, keeping the drink cold longer.