Brush-tip marker writes like a pen and paints like brush. Flexible, durable brush tip makes fine lines and broad brush strokes. Ideal for scrapbooks, calligraphy, freehand art, rubber stamps, fabric projects, awards and certificates. Design ensures thorough ink delivery to the sides and tip of the flexible brush. Pigma Brush is comfortable to hold and responds to instant changes in pressure or direction. The formulation of pigment based ink is more complex and stable than dye-based inks. Archival-quality ink is permanent, waterproof, and fade-resistant. Ink does not smear, feather, or bleed-through on most papers. Meets ASTM and ACMI nontoxicity standard (AP Seal). Pigma Brush is not recommended for use on fabrics intended to be washed andhas not been evaluated for cosmetic use on skin.