[BPA-Free] ice cube trays with lids are made of food grade silicone, Great for home use, parties and bars etc. [Compact and Fun Cube Shapes] The special pattern is sure to turn heads and to put a unique spin on your drinks including whiskey, cocktails, and chilled drinks. Keep out freezer odors and makes it easy to stack in your freezer using included lids. [Easy ice release & Dishwasher Safe] Theice trays are safe from -40 to 446 so they are safe to use with any dishwasher, oven, refrigerator, freezer, and microwave. And the flexible silicone material shapes the bottom well, make it easy to release ice cubes.Smooth silicone surface makes it easy to clean. [Stackable and Removable Cover] stackable silicone ice cube trays with a lid that prevents ice from absorbing other food air in the refrigerator. And rubber ice cube trays can be easily and neatly stacked in the refrigerator to save space and not be stuck. Clean and tidy