Cartridge Rollerball Pen Voyage. With Cap. Cartridge Type: Standard Ink Cartridge Replaceable And Interchangeable. Ink Type: Water-Based. Cartridge Type: Wear-Resistant Stainless Steel Tip; M Royal Blue – Replaceable. Pen Design: Plastic. Clip Material: Plastic. Suitable For Left Or Right Handed Users. Barrel Colour: Assorted. Design Of Contents 1 Blister Card With 2 Ink Cartridges.