VISION ELITE Hybrid Gel Pen, Stick, Bold 0.8 mm, Black Ink, White/Black/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.