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 tip down, e.g., on a piece of scrap paper. Pump carefully until the ink fills the tip. The marker is now ready for use. Store horizontally.* Features;* Bullet nib* Stroke 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 edding 51 tips available