DB Starman Double Wall Glass New, Unused, Unopened Height: Approximately 10cm, Diameter: Approximately 8.5cm Regarding Price Negotiation: We generally do not offer discounts. Also, the product price may increase without notice depending on market conditions. Thank you for your understanding. Regarding Returns, Refunds, and Cancellations: In principle, cancellations after purchase due to the buyer's circumstances are not accepted. Please confirm this before purchasing.