Set of 6 assorted permanent markers M Lumocolor Staedtler 1mm Set of 6 colored permanent markers. You can use them on almost any surface, making them very suitable for rear projection. It is also waterproof on almost all surfaces and dries in seconds avoiding stains and smudges. The black and brown colors are resistant to light and weather. They can remain uncovered for several days without drying out. Its colors are bright and intense. 1mm tip. 6 assorted colors. Brand: Staedtler.