Thank you for looking. This item was a gift and has been stored for a long time, unused. Therefore, although it is a new and unused item, the surface of the cup has discolored in some places. Please check the photos. The inside is in good condition with no discoloration. Please understand that this is a long-term storage item, and consider purchasing after carefully reviewing the product description and photos. If you have any questions, please feel free to comment. Thank you.