These Sharpie Permanent Markers have durable fine point tips for thin detailed lines. Each black marker features an ink that resists fade, water and is used on hard-to-mark surfaces. Permanent marker has fine tip for increased readability Marks can be made on most hard-to-mark surfaces Permanent ink is quick drying, water and fade resistant Durable fine point tip produces thinner, detailed lines Markers are AP certified non-toxic Black ink The industry standard and original pen style permanent marker Sharpie fine markers are permanent on most surfaces Fade and water resistant ink encourages multiple project uses Quick drying, non toxic formula