6.5cm Ball Ice CubesYou can make 6 ice balls at one time. As the ice balls melt more slowly than other ice cubes, you can enjoy the original flavors of your drink and its freshness until the last sip. Double-sealed design The double-sealed design sealing allows for relentless ice balls. The pressure ring that comes with the set helps to press the lid of the mold tightly against the bottom part for a perfect seal and perfectly shaped scoops of ice cream. Easy to unmold The design anti - tilting keeps the molds in balance and makes them easy to stack. Thousands of comparative tests have proven that our trays do not deform during use and are crack resistant and unbreakable even after multiple uses. Stability and durability The anti-scratch design tilting keeps the trays balanced and makes them easy to stack. Thousands of comparative tests have proven that our trays do not deform during use and are unbreakable before and after freezing.