These Pilot G2 Extra-Fine Retractable Rollerball Pens are ideal for everyday use. They feature gel-based ink for easy gliding onto paper that produces smooth continuous smearproof and water-resistant writing. The Pilot Rollerball pens have latex-free rubber grips and a contoured style for sustained comfort and control while in use. They are also retractable so you won t have any stray marks left on pockets or bags plus there s no cap to lose. Additionally these Pilot G2 Extra-Fine Retractable Rollerball Pens have a see-through barrel that lets you monitor supply levels so you never run out of ink. They are refillable for lasting use.