Diameter: Approximately 23mm Thickness: Approximately 4mm It has a shell-like luster. These are stock items from a button shop. There may be age-related changes in color, scratches, and stains. Shipping is included via Mercari. Items other than the buttons are for size comparison only and are not included in the product. #handmade #button #piercing #earring #parts #button #deco parts #collage #object #accessory #buttonlover #handmade materials #button accessories #doll #figure Thank you for viewing.