Banana-colored 0.5mm ballpoint pen, uses black ink. Please note that the ink has been replaced with 0.38 black. Unused ink rubber included. - Model Name: UMN-SP-05.28 MINI pen - Color: Banana - Ink Color: Black - Nib Size: 0.5mm, but changed to 0.38 for use with planners. Black, new, unused ink rubber included; of course, 0.5mm is also possible. Please feel free to replace it. - Clip: Yes There is a stain or spot, although it's difficult to see in the 8th image. It's not very noticeable. Please understand. Thank you for viewing. I haven't used it much, and it's been in my pen case at home. I think it's still in good condition. Convenient for mini 5 or mini 6 planners. It's a little small for me. This is a used item, so please refrain from returns or refunds. No price reductions, please. Shipping is unavailable on the 13th and 14th, so please be aware. Thank you.