Craft of silicone that withstands extreme temperatures, resists deformation, and ensures easy cleaning for long time use Maintain drink temperature long time while dilution, specially design for cocktails, and other beverages Versatile enough for creating ice balls, jelly desserts, chocolates, or soaps great for parties, home use, or creative gift giving Features a unique spherical baseball shape that adds charm to drinks, perfect for baseball fan and sports themed parties Simply fill with water and freeze to perfect ice ball ideal for customizing with juices or cocktails for personalize cold beverages