Healthy Iron Manju (Iron Ball) Nambu Tekki (Nambu Ironware) For iron supplementation... Releases ferrous iron, which is easily absorbed by the body. Effective for various uses with the power of iron ions. 1. Boiling water... Iron is released by placing it in kettles or pots when boiling water. 2. Pickling in bran (Nukazuke)... Improves the color of eggplants and cucumbers when placed in nukazuke. 3. Simmered black beans... Makes the black beans shiny and beautiful when added during simmering. 4. Removing sand from shellfish... Helps shellfish release sand more quickly. After use, it is prone to rust due to the effects of salt and water, so please wash it with hot water and wipe off the moisture repeatedly. The item will be taken out of the outer box, and the box will be folded and packed together with the item for shipping. Thank you.