1.Food grade material: the silicone ice cube trays are made of food grade silicone and PP plastic, are and nontoxic, BPA, can be in direct with food and can be reused. 2.Easy to remove ice cubes: the silicone at the bottom of the silicone ice tray is very soft. Take the ice tray out of the refrigerator, let it stand for about a minute, and then press the bottom to easily remove the ice cubes. 3.Ice cube tray with lid: the silicone ice cube tray is equipped with a removable lid that can prevent other foods in the fridge from affecting the taste of the ice cubes. Can also be used to stack ice cube trays to save storage space. 4.Wide application: with silicone ice cube trays, you can easily make and store ice cubes at home. They are perfect for adding ice cubes to whiskey, cocktails, beer, juice, cola or other drinks. You can also mix them with water to make ice cubes and enjoy cold drinks.