Medium Pen Point – 1 mm Pen Point Size – Conical Pen Point Style – Refillable – Retractable – Black, Blue, Green, Red – Opaque Blue Barrel – 3 / Pack Long-lasting ink for reliability Multifunction – choose between red, black, blue or green ink with a simple click Great for organizing and color-coding copy or journaling Versatile, 1.0mm medium ballpoint for fun, colorful expression in your everyday writing Retractable and refillable design (refills sold separately with all 4 ink colors in 1 pack)