Sake Cup Pure Made in Japan J-kitchens-SimpleBag Set, Copper, 2-Piece Set, 440ml,

Tumbler: Size: Approx. φ7.7 x 13.5 cm, Weight: Approx. 170 g, Capacity: Approx. 440 ml, Country of Origin: Made in Japan Eco bag: Body approximately W36xH37xD10.5cm (bottom), handle approximately W2.5xL47cm, Material: Cotton, Country of Origin: Vietnam Made from pure copper, which has antibacterial properties and excellent thermal conductivity, it quickly cools your drink and keeps it cold. The tin-plated interior removes the unpleasant taste of alcohol, allowing you to enjoy a mellow flavor.