Versatile Sizes: Our silicone ice cube molds produce four large, hollow, cylindrical ice cubes, perfect for chilling drinks in larger containers like kettles or 20, 30, or 40 oz insulated tumblers. Their large size ensures slower melting, keeping your drinks cold without diluting them. Thick Silicone: Our ice cube molds are made from durable and safe food-grade silicone that is odorless, BPA-free, and leak-proof, ensuring worry-free freezing. Easy to Pour and Demold: Simply pour water into the mold, close the lid, freeze, then twist to release the ice cubes. Designed to fit 20, 30, and 40 oz cups, these ice cube molds offer great flexibility in choosing ice cube size. Easy to Clean and Store: The ice cube molds with removable lids can be stacked in the freezer to prevent odors and dust from entering, preserving the freshness of the ice cubes. Hand wash or dishwasher safe. After drying, store them in a dry place. Perfect for chilling whiskey, cocktails, juice, tea, or coffee. Even More Refreshing Drinks: Our ice cubes melt slowly, ensuring perfectly chilled drinks every time. Perfect for family gatherings, home bars, restaurants, beach vacations, parties, or as a gift for loved ones. These ice cubes will keep your drinks cool and thirst-quenching. Relax and enjoy a perfectly chilled drink!