BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Our innovative ice cube tray can create three different sizes of hollow cylinder ice molds, specifically designed for 20/30/40OZ Stanley cups. Made from safe food-grade silicone material, our ice cube mold is odorless, ensuring durability and reusability. The highly heat-conductive silicone allows for faster ice cube formation, while the unique hollow cylinder design reduces melting time and preserves the undiluted flavor. These 0.5in thick hollow cylinder ice molds can be stacked to fit tumbler cups, enhancing your summer drinking experience by adding ice cubes to coffee, cocktails, whiskey, juice or other beverages.