OLO Alcohol-Based Brush Marker – 2ml Ink with Free-Flow Cartridge System

OLO Brush Markers – Modular, Free-Flow Alcohol Markers for Professional Artists

Engineered for control, customization, and smooth blending, OLO Brush Markers use a patented free-flow ink system that delivers a consistent ink load from start to finish. Each marker contains 2ml of rich alcohol-based ink—offering up to twice the ink volume of many standard art markers.

• Free-flow ink technology ensures steady, even application with no blotching

• 2ml of alcohol-based ink in every marker for long-lasting performance

• Smooth brush tip delivers expressive, controlled strokes

• Modular design supports custom marker builds using OLO Connector Rings

• Mix and match colors, nib styles, and barrels to create your ideal setup

• Great for illustration, fashion design, architecture, comics, hand lettering, and more

• Refillable and sustainable—designed to reduce waste over time

Whether you're a professional illustrator or an art enthusiast, OLO Markers offer superior flow, customizable design, and a brush tip that responds beautifully to pressure and movement.