Handcrafted in Tsubame, Japan, these Tsubame Copper Mugs showcase centuries-old metalworking mastery using the traditional Tsubame-tsuiki technique, where copper plates are hammered by hand for a lustrous, durable finish. Renowned for excellent thermal conductivity, they keep beverages cold while adding a touch of rustic charm that develops a unique patina over time. Available with rattan-wrapped handles and in both short and tall sizes, these mugs combine aesthetic elegance with practicality, making them perfect for iced coffee, cocktails, or beer, and a timeless addition to any drinkware collection.