Thank you for viewing! Popular 20cm size!! The chain width is approximately 5mm!! Suitable for both men and women. Please note that there may be some errors as measurements are done by hand. You can purchase without leaving a comment. As this is an overseas product, there may be minor scratches or dents from the manufacturing process. Please refrain from purchasing if you are concerned about this. No returns or exchanges. Simple packaging. If you are concerned about the packaging, please refrain from ordering.