OEM Bio-Write 7520-01-578-9307 ballpoint pen made from cornstarch-based Bio-Plastic. It features a latex-free rubber barrel and grip for enhanced writing comfort. The accent color of the pen matches the ink color, ensuring a cohesive look. This pen uses permanent, long-lasting, airplane-safe ink that is highly reliable. It is refillable, retractable, and has a medium point with black ink.