Takagi Metal Iron Egg for Pickling, Coloring, and Iron Supplementation, Nukazuke, Made in Japan, Nambu Tekki Iron Egg NZ-TN For iron supplementation! For coloring pickles! Iron eggplant/rice scoop for easy iron supplementation. Iron is released from the iron rice scoop, and simply adding it to nukazuke pickles provides iron. The center is indented, allowing you to scoop up water from the nukazuke. Also for coloring pickles and adding shine to black beans. The components of the cast iron material are completely harmless even if ingested. If you are concerned about rust, wash with a scrubbing brush. Size: 70 x 48 x 25mm Material: Iron, Nambu cast iron Made in Japan