Jetstream Rollerball Pen features an innovative ink system that unites the smoothness of a gel and the quick-drying of a ballpoint for high-speed writing performance. Pen writes amazingly smooth while providing crisp, vivid lines. THe uni Super Ink helps resist smearing and prevent check and document fraud. Pigment-based ink contains particles that form an indelible bond that cannot be broken. Quick-drying ink helps prevent smearing. Rollerball pen also offers embossed grip and stainless steel accents for an elegant look. Only the black and blue pens are refillable. More from the Manufacturer