The cartridge rollerball that makes writing fun. The ideal alternative or addition to the fountain pen for writing small memos, short letters or quick notes. Pure writing pleasure made of translucent clear-blue and white plastic. Add some colour to your stationery set with the vibrant finish and sleek design of LAMY's Balloon Rollerball Pen. Made from a robust, translucent plastic, the Balloon is a lightweight and playful pen for the young, and the young at heart. Modern and fun, its grip section makes the Balloon a comfortable writing options for class notes, letters, to-do lists and more.