In 1 pen, 4 colors, medium writing: each pen contains blue, black, red, and green ink. By pressing the corresponding button, you can quickly and easily change the writing color.

With a rubber grip for comfort.

For greater economy and environmental protection, it is made from 78.2% recycled materials, and it can be refilled with a new cartridge.

Total length: 16.5 cm. Body: round, semi-transparent (varies in color). Body diameter: 1.3 cm. Ink: oil-based, waterproof.

• Available sizes (tip diameter, writing diameter): 1mm (Medium -M -medium, 0.27mm)

• Available body colors: blue, black, red