Versatile Size: Our silicone ice cube trays make four large hollow cylindrical ice cubes, perfect for chilling drinks in larger containers, such as a pitcher or 20-30-40 oz tumbler. The larger size ensures a slower melting rate, helping to keep drinks warm without diluting. Thick Silicone Material: Made of durable and safe silicone material, our ice cube molds are food-grade, odorless, BPA-free, leak-free ice trays that can be frozen with confidence. Easy Loading and Unloading: Simply pour water into the tray, cover with the lid, place in the freezer, and twist to release perfect ice cubes. Fits 20-30-40 oz cups, providing versatility in ice cube size. [Easy to Clean/Store] The ice cube tray with removable lid can be placed in the freezer without odor and dust, keeping the ice cubes fresh. Hand wash or rinse in the dishwasher. Air dry and store in a dry place. Perfect for chilling whiskey, cocktails, juice, tea or coffee. ICE YOUR DRINKS IN STYLE: Enjoy perfectly chilled drinks every time with our ice cubes that won't melt quickly. Great for family parties, home bars, restaurants, beaches, holiday events, or even as gifts. These ice cubes will keep your drinks refreshingly cool. So sit back, relax, and savor your perfectly chilled beverage.