Silver fish-shaped ballpoint pen, a unique design that catches the eye. - Model Name: Fish Ballpoint Pen - Color: Silver - Design: Fish shape - Accessories: Cap Thank you for viewing. This is an amusement prize. The ink color is black. The ink can likely be replaced for continued use (see photos). I used it once for a test write. It writes smoothly and works normally. Also, it's surprisingly easy to hold. Thank you very much. Instant purchase OK. Ink...Oil-based (black) Type...Ballpoint pen Features...Character item Body material...Plastic