Approximately 13 x 13mm Thickness: Approximately 10mm (including the foot) These are stock items from a button shop. Some may have changed color over time or have scratches. Free shipping 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 #accessories #button art Thank you for viewing.