Thank you for viewing this item from among the many listings. Diameter: Approximately 30.5cm. ● Other notes: Please check the photos and understand that this is a "used item, stored for a long time" before purchasing. ★ This is a "one-of-a-kind item," so please consider purchasing it as soon as possible. ★ Shipping will be done, with careful packaging, on or after the day after your purchase. ※ Returns are not accepted due to concerns about item substitution. We will not respond to questions after purchase.