Silver concho. Use it for hair ties or various other arrangements. Size: Diameter approximately 3 cm, Marukan hole diameter approximately 5 mm Material: Silver 950 Thickness: Approximately 1 mm Each piece is handmade, so there may be variations in shape, stamp placement, small scratches, and individual differences. If you are concerned, please refrain from purchasing. Please note that the color and texture of the silver, as well as the color of turquoise, may appear different on the screen than in person. If you have any questions or concerns, please feel free to ask.