This mold makes one 2-1/2" large ice sphere, perfect for your favorite spirit or cocktail. he innovative design features a sloped internal mold to create a seamless sphere, as well as a flexible two-piece silicone construction for easy release of the ice sphere. Dishwasher Safe. BPA Free. Patent Pending. Two-piece gift box included (3.5L 3.5H 3.125W).