Shipping included, instant purchase OK! Diameter: 20.5cm Thickness: 0.8cm ● Other notes: If you purchase multiple items with the same ID, they will be shipped together. If you would like them shipped separately, please let me know in advance. Many items are used, so there may be some stains or age-related damage. Please refrain from purchasing if you are concerned about this. Even unused items may have scratches or stains. Please refrain from purchasing if you are looking for the same quality as new items.