Shinkinzoku COPPER 100 Beer Mug 12oz S-588 Used a few times at home after purchasing new. There are scratches on the bottom. There are also small scratches from use. There are no cracks, but there is uneven coloring overall due to oxidation, which is characteristic of the material. A product of Shindou, a long-established manufacturer of traditional copperware. This is the series adopted by Komeda Coffee and Hoshino Coffee for their iced coffee mugs. Product dimensions: Diameter 87 x H91mm Material: Copper, Enamel/Metal Body: Pure copper, Handle: Brass Country of origin: Made in Japan, Tsubame City, Niigata Prefecture Capacity: 340 milliliters Manufacturer: Shinkinzoku (Sinkoukinzoku) Dishwasher safe: No Product Description Copper boasts excellent thermal conductivity among metals. If you pour a cold drink into it, it will immediately become the same coldness as the drink, quenching your thirst and cooling your body. The refreshing feeling that is transmitted from your lips is irresistible. It also maintains the cooling effect, so you can enjoy it cold and delicious even after 15 minutes. #KomedaCoffee #HoshinoCoffee