Set of 5 pure copper, hammer-finished beer glasses. Made by "Asukado," a company renowned for its copper products, with the "Pure Copper Asukado" stamp on the bottom. These are new, unused items that have been carefully stored, so their condition is excellent. They feature the beautiful shine of copper and a unique hammered texture, making them exquisite pieces that become more appealing with use. Features: Material: Pure copper (natural copper color on the outside, tin-plated on the inside for hygiene) Hammer finish (hand-applied irregularities reflect light, creating a beautiful appearance) Size: Approximately 9.5cm in height, 6.0cm in drinking mouth width, and 4.0cm in base width (comfortable size to hold) Set contents: Set of 5 (perfect for gatherings with friends and family) Stamp: "Pure Copper Asukado" stamp on the bottom Asukado A Japanese brand known for its copper products that blend traditional techniques with modern design. For many years, they have continued to create products with careful craftsmanship by skilled artisans, and they are highly regarded for their quality. Asukado products allow you to enjoy the aging process as you use them, and they are popular as items loved across generations. These glass beer cups are also a masterpiece filled with Asukado's technology, and you will feel the joy of owning them. Recommended points: Due to the high thermal conductivity, when you pour cold beer, the entire cup quickly becomes cold, and you can keep the drink's temperature for a long time. They are perfect for enjoying various drinks, such as beer, sake, whiskey, and soft drinks. In addition, copper is said to have antibacterial properties, so you can use them with peace of mind in terms of hygiene. The hammered design is applied by hand, so each one is unique. You can enjoy the aging (patina) unique to copper as you use them, and it's also appealing that they will become your own special glasses. They match stylish bar counters and Japanese-style spaces, and they also make a wonderful accent as interior decorations. They are sure to be appreciated as a special evening drink or as a gift for someone important! Condition: Although they are new and unused, there may be small scratches or color unevenness unique to copper products. This is due to the characteristics of the material, and we hope you will enjoy it as part of the flavor. We will carefully inspect them before shipping and deliver them in a clean condition. Shipping method: We will carefully pack them with bubble wrap and ship them carefully to prevent damage. Shipping included.