Sera Pot Black 4-piece Set Deep Pot 26cm, Shallow Pot 26cm, Lid 24.5cm, Wire Net 19cm, Instruction Manual Material: Heat-resistant ceramic Made in Japan Used several times, both pots have been sealed. There are no chips or cracks, and no noticeable stains. The undersides are blackened from use with a gas stove. Please purchase only if you understand that these are used items.