VISION ELITE Hybrid Gel Pen, Stick, Extra-Fine 0.5 mm, Red Ink, Black/Red/Clear Barrel Capped rollerball pens deliver smooth flowing ink for consistent, vibrant writing. Produces an outstanding ink lay-down for pronounced lettering and vivid drawings. Uni-Flow Ink System ensures a consistent, delightfully fluid writing experience. Fade-proof liquid roller pens have uni Super Ink that makes them water and fraud-resistant. Airplane-safe ink prevents leakage even when cabin pressure changes.