[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. Its 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]: Spherical ice trays are perfect for summer delicacies, such as whiskey concoctions drinks, cocktail, wine, fruit juice, iced coffee, popsicles, puddings and more. Large ice spheres melt slowly are perfect to keep your drinks cold. Its really a must for cooling drinks![EASY TO FILL & LEAK-PROOF ]: Please fill it with the bonus funnel, tight closures can prevent water in the cavities from leaking out so that you can get full balls. Ice balls comes out of the form pretty well and rarely cracks. Its an awesome affordable 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. Freezers, ovens and dishwashers safe. It doesn't make the ice taste weird. Perfect stackable ice sphere maker that doesn't take up too much room.