Food Grade Silicone Material: Our ice cube molds are made of durable food grade silicone material, which is odorless, non-toxic and BPA-free, ensuring safety and reusability. These trays are durable and can easily take out ice cubes without cracking or breaking. Feel free to use them! Easy to Clean: These ice cube trays come with lids and can be stacked in the freezer to prevent odors and dust, keeping the ice cubes fresh. They can be easily rinsed by hand or put in the dishwasher for easy cleaning. After drying, stack them in a dry place for storage Unique Ice Cube Shape: Our ice cube trays feature a unique hollow cylinder design that produces larger ice cubes with less surface area, which slows down melting and prolongs cooling time. Perfect for chilling drinks, mixing cocktails, enhancing whiskey and enriching the flavor of various beverages and coffee Easy to Fill and Release: Simply pour water into the tray, cover with lid, and place in the freezer. When it's time to enjoy your drink, simply twist the tray to easily release the ice cubes. Within a few hours, you'll have perfectly shaped hollow cylindrical ice cubes ready to enhance your drinking experience Colour:As Shown Material:Silicone Package Contents: 2 * Ice Cube Mold Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.