・ Made of copper, it has excellent thermal conductivity, and the entire tumbler quickly becomes cold when you pour a cold drink. ・ Due to the action of copper ions, it is said to have an antibacterial effect that suppresses the generation of odors and sliminess in water. 〈 Size 〉 □ Diameter: Approximately 5.5cm □ Height: Approximately 9.0 cm 〈 Condition 〉 □ This item has been stored at home for a long time. □ The outer box has damage due to aging. Please feel free to let us know if you do not need it. ========= I am selling many unused tableware items due to decluttering at a relative's house. We will also offer a discount for bulk purchases, so please feel free to contact us in the comments section ☺︎ #Tumbler #Beer #marie claire