Easy Release: The flexible base makes these ice cube trays easier to release the ice cubes. Just push from the bottom to release the ice cubes without damaging the mold. Food-Grade Material: The ice cube tray with lid is made of food-grade silicone and PP material, safe and non-toxic, BPA-free, durable, safe, and portable. Removable Lid and Stackable: The silicone ice cube molds are equipped with a removable lid, which allows you to make exquisite ice cubes, but also allows your ice cube trays to be easily and neatly stacked in the refrigerator to save space. Reusable: When using, fill the ice cube trays with water or drinks, close the lid, and place the mold in the refrigerator. After use, just wash it with water and dry it before it can be reused. Wide Application: This ice cube tray with lid is very suitable for making ice cubes or filling drinks into the mold, DIY fruits, yogurt, jelly, chocolate, baby food, etc. according to your own taste.