Original Sharpie pen-style permanent marker marks on most hard-to-mark surfaces. Markings are permanent on most surfaces. Durable fine-point tip produces thinner, detailed lines. Long-lasting ink resists fading, smearing and water. Alcohol-based ink is quick-drying and certified AP nontoxic.Original Sharpie pen-style permanent marker marks on most hard-to-mark surfaces. Markings are permanent on most surfaces. Durable fine-point tip produces thinner, detailed lines. Long-lasting ink resists fading, smearing and water. Alcohol-based ink is quick-drying and certified AP nontoxic.