Our ice cube mold is made of durable and safe silicone material, it is food-grade, odorless, and BPA-free. Our silicone ice cube tray can create 3 large hollow cylinder ice cubes, ideal for chilling beverages in larger containers, such as pitchers or 30-40 oz tumbler cups. Simply pour water into the tray, cover it with the lid, place it in the freezer, and when it’s time to enjoy your drinks, just twist to release the ice cubes. Enjoy a perfectly chilled beverage with our ice cubes that won’t melt quickly. Perfect for house parties, home bars, restaurants, beach days, holiday events, and even as gifts.