The perfect mold for 12 regular 4cm ice cubes Thanks to the unique chamber system, the ice cubes freeze evenly and can be easily removed individually The supplied lid prevents spills when transporting to the freezer or freezer. All Ice Form Series moulds have the same floor surface and are stackable. Lurch has been a manufacturer of 100% platinum silicone molds since 1999. All moulds are tempered for at least 4 hours at 200 C after the production process and are food safe and BPA free.