[MAKE 2.5 LARGE ICE BALLS]: The diameter of each cavity is 2.5inch, the size of the entire tray is 8.5*6*2.5inch. Ice tray is great to make 6 large ice spheres at one time. Perfect sized ice balls are really nice touch for cocktails or other beverages. They are fantastic round ice cube trays! [SLOW-MELTING ICE CUBES]: Circle ice cube tray is perfect for summer delicacies, such as whiskey drinks, cocktail, fruit juice, iced coffee and more. Large whiskey ice cubes melt slowly are perfect to keep your drinks cold. Silicone ice cube tray is really a must for cooling drinks! [EASY TO FILL & LEAK-PROOF]: Please fill ball ice cube tray with the bonus funnel, press all the buckles tightly to get full ice balls. Ice sphere comes out of the form pretty well and rarely cracks. Round ice cube maker is an awesome alternative to traditional plastic ice ball trays. [DURABLE & STACKABLE Ball Ice Maker]: The ice ball maker features silicone and PP plastic design which is durable and sturdy. Craft ice maker is super easy to clean, just put it in your dishwashers. Perfect stackable spherical ice cube tray save lots of space in your freezer.