Professional quality paint marker for highly opaque and permanent marking and labeling on dark, transparent, and smooth materials, such as glass, metal, and plastic. Eco-friendly water-based paint with low VOC content. Usage: Shake the marker with the cap closed. Remove the cap. Pump the marker with the tip down, e.g., on a scrap piece of paper. Pump carefully until the ink fills the tip. The marker is now ready for use. Store horizontally.* Features;* Bullet tip* Line width: 1-2mm* Permanent* Low odor* Water resistant* Abrasion resistant* Heat resistant up to 200 °C* Light resistant* Quick drying* Refillable with LT25 refill ink* Replacement tips edding 51 available