Silicone Ice Molds With Lid For Stanley Tumblers Cups Can Making 3 Hollow Cylinders 1. This ice cube tray is specially designed for Stanley thermos cups. It can make three cylindrical ice cubes of different sizes into the cup, which can prevent spillage and ensure convenient transportation. It's great for cooling drinks without diluting their flavor. 2. The mold is equipped with a sealing cover that locks securely in place to prevent ice or moisture from leaking. You can safely store it in the refrigerator without worrying about spills or contamination. 3. Made of high-quality silicone material, durable, flexible and easy to clean. It can withstand low temperatures without cracking or leaking, ensuring long-lasting use and enjoyment. 4. Easy to use: Just fill the silicone ice mold with water, close the lid, and freeze in the refrigerator. Once the ice cubes are frozen, they are easily removed from the tray by pushing on the bottom of the mold. The cylindrical shape allows for easy insertion into the glass. 5. This ice cube tray is the perfect accessory for 30-40 oz cups, adding a fun and decorative touch to your drinks. 6. Ice tray size: 277mm x 111mm x 87mm 7. Net weight: 280g