Always test on a small area first for suitability and chemical
Decocolor Oil-Based Paint Markers hot purple broad. Great for writing and covering large areas, these markers can be used on a wide variety of materials, including glass, paper, wood, clay, porcelain, stone, metal and mirrors. Available in three tip sizes: extra fine, 3 mm fine and 6 mm broad. It will cover most non-coated surfaces, and conforms to ASTM D4236.