Made in Japan (Tsubame-Sanjo) pure copper tumbler. I kept this for guests, but I'm selling it because I don't have a chance to use it. ・Capacity: Approximately 440cc ・Material: Pure copper (inside and out) ・Includes box and instruction manual ・No noticeable scratches or stains ※Due to the nature of pure copper, it may tarnish. Please purchase only if you understand this.