Shinkou Kinzoku COPPER 100 HOME WARE (Pure Copper) This is a set of a sugar pot and a milk pot made by skilled craftsmen from Niigata Prefecture's Tsubame City, a famous brand of Shinkou Kinzoku Co., Ltd. They are a domestic pioneer in pure copper cooking utensils, chosen by professionals. The following is from the Shinkou Kinzoku website: They manufacture various products that take advantage of the characteristics of copper, such as "good thermal conductivity," "sterilization and antibacterial properties," and "water purification." It has been said for a long time that copper is the best material for boiling water. This is because copper decomposes chlorine, removing odors, and its sterilization and antibacterial properties, along with making the water delicious. ◎ Milk Pot Height: Approximately 10cm ◎ Sugar Pot Height: Approximately 10cm ◎ Sugar Spoon Material: Copper 100 (Pure Copper) Material: Copper Stored at home. There is some rust? visible on the handles, inside, lids, and sides. Please review the images and description before purchasing.