edding 51 Water-Based Paint Marker Professional-quality paint marker for highly opaque and permanent marking and labeling on dark, transparent, and smooth materials, such as glass, metal, and plastic. The round tip has a line width of 1-2 mm. The paint marker ink is lightfast, quick-drying, and waterproof. The product is refillable with edding LT25 refill ink. Compatible replacement tips (edding 51 replacement tips) are available. Odorless ink with no added toluene or xylene. Made in Germany.