Cross Navy Blue Penatia Gelicious Gel-ink Rollerball Pen. If You Like Cross Ion Pen, You Will Like This More PRELOADED WITH GEL INK ROLLERBALL REFILL Uses Ion refill.The refill bonus can be used in Ion, Vice, Matrix and Roadster pens SEAMLESS DESIGN and FUTURISTIC ROLLERBALL GEL INK REFILL PLUS TWO BONUS REFILL The Refill inside this pen can be used by Cross Roadster, vice and Matrix