You can mark and erase on leather. I'm sharing these because I bought a lot. They seem to be made overseas, and the ink flow might be inconsistent, but I'm currently using the same batch and haven't had any problems. - Ink color: Silver - Quantity: Set of 3 - Application: For leathercraft If you would like to change the number of pens, please comment before purchasing. I will create a dedicated listing. Thank you for looking. Please note that we plan to ship via regular mail, and there is no compensation for loss or damage during shipping. Please understand this before purchasing.