SLOWER MELTING TIME - The ice balls that come out of the molds are bigger than standard ice cubes and retain their temperature longer , which means you have more time to enjoy your chilled drink without it getting watered down. TWO LARGE ICE BALLS AT ONCE - You can enjoy making two large 2.36" crystal clear ice balls at the same time. The flexible silicone makes it extremely easy to remove your ice balls from the ice sphere molds. SAFETY - Iceball maker is made from a durable & flexible silicone that is also tasteless, chemical free, and BPA free. MAKE CRYSTAL CLEAR ICE CUBE SPHERES - Not your average typical ice cube molds. Easily make Japanese-Style ice balls and right at home! Simply fill & freeze overnight for the best perfect ice cube spheres. Product Crystal Clear Ice Ball Mould can create 2 large 6 cm ice balls. The large ice ball has a lower surface than equivalent ice cubes, so they slowly melt and do not dilute your drink. Perfect for freezer, whisky, cocktail, baby food and juice. HOW TO MAKE ICE BALLS 1.Fill the foam box with water 2.Insert a silicone mold into a plastic container filled with water 3.Insert the combination of silicone and plastic into the foam insulation box 4.Place the ice cube in the refrigerator below -6 sand freeze it for 24-30 hours to make four big ice hockey puck ,Then take it out and use it.