Atlantis ballpoint pen features Bic Easy-Glide System Ink Technology for a 50 percent smoother writing and a more vivid line than Bic's regular ballpoint pen ink. The 1.2mm nickel silver tip with tungsten carbide ball allows even and consistent application of ink and a smooth writing experience. A rubber grip provides writing comfort. The grip and clip color indicate ink color. Ballpoint pens are nonrefillable.