DecoColor Broad Tip Paint Markers are great for writing and detail drawings on glass, paper, wood, clay, porcelain, stone, metal and mirrors. The paint is an opaque oil based paint with xylene. It is acid free, lightfast, weatherproof and pigmented. Great for crafting, home and office use. This package contains six 6 mm broad tip paint markers in white, black, red, blue, green & yellow.