1. [Food Grade Silicone Ice Cube Tray]Made of food-grade silicone which is BPA durable and durability, they can directly with food, for drink & food making. They can be used in a wide temperature range from -40F to 428 2. [Non-stick and Easy Release Design]Reusable ice cube mold can be easily release with just a twist or push(Please place the trays a while for releasing easily) 3. [Easy to Clean & Dishwasher Safe] BPA-, please rest assured to use our ice cube trays. Each tray is easy to clean off quickly and it is dishwasher . 4. [Removable Lid & Stackable]The ice cube trays for zer come with a high quality silicone removable lid, which can keep the ice clean without odor, it helps you make 24 ices each time without spills, and the stackable design save more space,and it will be more convenient to place and take. 5. [Multiple Uses]These silicone ice cube tray can be used to make iced coffee, whiskey, cocktails, orange juice, but also to make ice cream, chocolate, fruit jelly, candles, small soaps, or food, etc. Whether you bake or ze these molds, they work great.