1.INNOVATIVE DESIGN: With this sphere ice ball maker, you can get 4 or 13 full ice balls at a time, which is a much more innovative design than most similar ones that can only create ice balls at a time. 2.TOP QUALITY: The bottom is made of hard BPA free plastic, while the cover is in rigid but flexible premium silicone material, this round ice ball molds is much durable to use for years. 3.CHILL AND BRIGHT YOUR BOURBON - The most key point for a best taste of Whiskey is to stay chilled all the time without watering down. The large ice balls melt slowly to avoid dilution and can also make the drinking atmosphere more upscale whenit floating in the drinks. 4.Easy to Release Clean- The old fashioned ice cube mold made of flexible silicone allows you release ice cubes easy. Smooth silicone surface makes it easy to clean. 5.Whatever you are drinking some cold drinks at your private swimming pool to ward off the hot summer, or sit beside the fireplace with your dog, enjoying some chilled Bourbon or cocktail to have a relax after a days busy work at the cold winter, this sphere ice ball mold is always the best ice making choice for you.