The Schneider One Change Refillable Cartridge Rollerball Pen features the innovative Super-Flow-System and Ultra-Smooth tip to guarantee consistent ink flow from start to finish for the best writing experience. Waterproof according to ink standard ISO 14145-2, ink dries quickly and smudge-proof. Cap-off ink does not run dry even if the cap is removed for 2-3 days. Rubberized grip zone provides a secure hold for relaxed writing. The cap has a sturdy, high-quality metal clip that fits neatly on either end of the barrel. Writes in an approximate 0.6 mm line width. Refillable with One Change Roller Cartridges. The One Change Rollerball is produced CO2 neutral. Includes one (1) black ink rollerball pen and refill. Made in Germany, Schneider products are manufactured to the highest quality and environmental standards that have earned awards and accolades across the company's 80+ year history. Known for reliability, functionality and sustainability, Schneider Writing Instruments are available at excellent price points to empower creativity and pen to paper. Each thought is worth writing down - the Schneider way.