This is a set of two X-girl coasters. Diameter: Approximately 8.5cm. This is a set of two coasters, pink and purple. (The color may appear different depending on the photo, but the purple is the color of the third photo.) Both coasters have what appear to be white stains or scratches on the center of the back, so please check the photos. Please understand that these are used items. Please judge the condition based on the photos.