It is a silicone ice tray with food-grade silicone, baby food-grade silicon, healthy transparent PET material + soft rubber material, which can be used for adult and baby food. Our ice tray with lid is made of soft silicone material. It is recommended to place the silicone ice tray in the refrigerator for a period of time to facilitate the release of ice cubes, and after a long period of freezing, the soft silicone material will not break. The ice cube tray is stackable and compact, suitable for any household refrigerator, dorm mini refrigerator. Our stackable silicone ice cube trays have lids to prevent ice from absorbing air from other foods in the refrigerator. Rubber ice trays can be easily and neatly stacked in the refrigerator to save space and not get stuck. Clean and tidy! Our stackable silicone ice molds have a smooth silicone surface and are easy to clean. It is recommended to wash and dry the ice tray thoroughly before using it for the first time. Our ice trays with lids can also be cleaned in the dishwasher. Convenience! Quality Assurance: The cute silicone stackable ice cube tray is suitable for -40~230, and the safe ice cube tray can be used in the refrigerator.