Uni Posca water-based paint markers produce opaque, vibrant color and will write on virtually any surface: paper, cardboard, tracing paper, rock, clay, cement, plastic, metal, wood, fabric, glass, canvas, and more. These markers give easy coverage and yet are bleed resistant when used on paper. The multi-purpose 5M bullet tip produces neat and precise lines ideal for coloring.Details:Available in multiple colorsMedium bullet tipWaterproof once dryWorks on most surfacesOdorlessAlcohol and solvent free