Great art starts with great products. Louis Prang developed child-safe art products that uphold the highest standards of quality in materials and color. These standards are maintained today in a comprehensive line of Prang art products for both children and professionals. Prang Brush Pens feature flexible flow-easy brush tips for a variety of drawing effects and intense ink colors that can be blended. Water-based, washable ink won’t bleed through paper and is acid-free. Brush Pens are washable and safe for all ages. They are AP certified non-toxic and conform to ASTM standards. Millions of teachers, students and consumers see, use, or buy Prang art supplies, art markers, crayons, colored and drawing pencils and much more every day. Be bold, color your world, and discover Prang power.