Use these multi-purpose opaque gel markers on colored paper, glossy paper, poster board, wrapping paper, Crayola Model Magic and more. Gel FX markers look great on dark and light surfaces. Decorate your black notebooks, binders and pencil cases and add a new dimension to coloring on transparent and glossy surfaces with this set. Details: Includes assorted pearly, metallic colors 8 markers Durable tip for thick and thin lines Washable Nontoxic For ages 3 and up