2 x Ice Spheres - Ice Balls Tray This 2 pack of extra large whisky ice ball sphere silicone moulds will allow you way to create large balls of ice - that will keep your beverages cooler - for longer without diluting the flavours. T ecret behind is the spherical shape which allows the ice to melt slower resulting in better cooling and less dilution of your beverage. . Features: The 2 x BPA Free Silicone 4 Part Large Silicone Ice Cube Sphere Moulds Each moulds makess ice ball approximately 2 inches (4.5 cm) in diameter Easy to fill and easy to release - wont spill in the freezer thanks to its sealing lid Get Creative - Ice balls can be flavored colored or even filled with fresh fruit or mint leaves! Easy to wash and re-use - dishwasher safe Ice balls melt slower than ice cubes so your drink will not become diluted with water. For an added treat freeze your favorite juice coffee or drink into ice balls and use them to cool your drinks.