HOSL Ice Ball Mold Sphere Silicone Ice Rounds Maker 4x4.5cm,Perfect for Japanese Whiskey, Cocktail and Any Drink This Ice Ball Mold is perfect for Holiday Parties and Christmas Stocking Stuffers Each Mold Make 4pcs 4.5cm Sphere Ice Ball - Perfect for Parties, Restaurants and Bars. Ice releases easily from silicon mold and does not crack while freezing. Features Leak-Proof Design and Water Fill-Line - Easy to Fill, Easy to Open.