Pure copper swirl with a tasteful color
The color is a masterpiece of finish by skilled craftsmen who have gone through years of research using traditional crafting techniques.
Superior heat conductivity means that the container starts to cool the moment you fill your cold beverage, and the whole thing stays uniform in a short amount of time. The cooling sensation of your fingers and lips is exceptional.
It also maintains its cold retention, so you can taste delicious even after time.
The trace metal action of copper (copper ion) causes the beverage to disappear and mellow taste.
Copper ion works to prevent the growth of microorganisms and is hygienic.