420ml copper pilsner glass with a stylish black copper finish that enhances the beer. - Brand Name: COPPER100 - Model Name: COPPER PILSNER - Material: Copper, black copper finish - Size: 420ml "Pure Copper Craft Beer Cup" series to enjoy craft beer even more. Craft beers have unique aromas and flavors, and using a glass suitable for the characteristics of the beer can maximize the taste and aroma. The "Pure Copper Craft Beer Cup" series was created to help you enjoy craft beer even more. Because copper has high thermal conductivity, the coldness is transmitted from the moment you pour the beer to the moment you drink it. Pure copper beer cups filled with the technology of the craftsmen of Tsubame, Echigo, a town of metalworking. Why not enjoy craft beer more deliciously and more comfortably?