Unique Hollow Cylinder Ice Cube Shape - This cylinder shape keeps drinks colder longer by melting slowly and diluting less. It allows the ice cubes to be stacked, making them compatible with a tumbler cup, as well as for individual use in drinks, coffee, or cocktail glasses. It's versatile and adds a cool twist to your drink! Specially designed ice cube mold that perfectly compatible with 40OZ tumbler cup. This mold creates three large ice cubes, ensuring your drinks stay cold for longer periods. The slow-melting feature of these oversized ice cubes ensures your beverage remains undiluted, preserving its original taste and quality. You can experience the perfect sip every time. Easy to Operate - The flexible silicone mold makes it easier to remove the ice cubes.Just peel off the outer mold and squeeze the cap to release your fresh ice. It's super durable, way better than those flimsy plastic trays and easier to clean and store.Perfect for making your favorite chilled drinks! Food Grade Silicone & Diversification - Our ice cube tray molds are made of food grade silicone, which is BPA free, flexible and elastic, and can be recycled. Get one and DIY your favorite drinks, cola, juice, coffee with the creative ice cube mold for this summer! With Sealed Removable Lid - No more leaks or worries about your fridge getting messy! The sealed lid on this ice tray keeps everything locked in, so you can enjoy pure ice without any contamination. Your drinks stay flavorful and your fridge stays clean.