KINGART PRO Acrylic Brush Pens, 12 Earth Tone Colors, flexible nylon brush tip for broad strokes and fine lines. Water-based acrylic ink with superior blendability, includes a clear blender pen for seamless gradients. Odorless, non-toxic, acid-free formula, conforms to ASTM D-4236 and resists bleeding. Dries to a matte finish and becomes permanent on porous surfaces. Color-coded caps and a printed color chart make color selection easy. Ideal for calligraphy, brush lettering, faux calligraphy, illustration, journaling, doodling, sketching, watercolor-style effects, and mixed-media projects. Use on paper, canvas, wood, ceramic, fabric and more. Pack of 12 earth tones, lightweight and portable for studio or on-the-go creativity. Set of 12 KINGART PRO acrylic brush pens in earth tones - flexible nylon brush tip for broad strokes and fine lines, water-based acrylic ink with superior blendability, odorless, non-toxic, acid-free, and non-bleed. Color-coded caps and color chart included. Dries to a matte finish and becomes permanent on porous surfaces; suitable for paper, canvas, wood, ceramic, fabric, and more. Conforms to ASTM D-4236.