Bold colors. Wont bleed (bold colors, that won't bleed through paper results could vary based on paper characteristics). Writes like a pen, bold like a marker! 0.4 mm fine tip provides smooth, colorful precision. Metal nib protects tip from wearing down. Perfect for notetaking, creative writing, adult coloring and journaling. Clean, crisp writing. Water-based ink makes it perfect for writing on paper. BIC Performance Policy (US and Canada): If not fully satisfied, return to BIC for product replacement. ACMI AP: Art & Creative Materials Institute certified. Conforms to ASTM D 4236. Non-toxic. www.bic.com. Learn more about the BIC Intensity line and get inspired at www.bic.com. Add to your collection! Medium (1.0 mm); Fine (0.5 mm). Made in Korea.