4 Cup Glass Shape Silicone Ice Cube Maker Freeze Mold Drink Party Ice Tray. Each ice ball mold makes four 4.5cm ice spheres. The ice tray is sealed and balanced and will not leak or tip in the freezer. Great for making ice cubes, chocolate, gelatins in parties and bar. Get creative and add any fruits such as strawberry, cherry, orange, apple, lemon to liquid. When frozen, the ice ball will become colorful, sparkling, and crystal-clear.