I am selling this item because I no longer have use for it. I have used it for about 6 years. As it is an old item, there may be scratches, age-related deterioration, and stains that cannot be removed. Please refrain from purchasing if you are sensitive to these issues. The size is 23.5 cm. I will add more pictures if you request them, so please feel free to comment. To prevent any problems, please only purchase if you understand and agree to these conditions. I do not accept claims due to insufficient confirmation after purchase, or cancellations due to a difference in size or image. If you have any concerns, please comment before purchasing. This item will be simply packaged. MICHAEL ROBERT