Diameter: 38mm Original illustrations embroidered. Embroidery threads used are OLYMPUS and DMC. The fabric has a slight transparency. The back is felted. (The image of the back is an example) (The color of the felt differs depending on the work) This is a handmade item, so please refrain from purchasing if you are sensitive or seeking a perfect product. Due to shipping and material costs, discounts are not available even for bulk purchases. We are very sorry, but we would appreciate your understanding.