SANFORD-Sharpie Retractable Ultra Fine Tip Markers. Sharpies have been one of the most popular permanent markers ever made. These markers are known for quickly drying, and being permanent and water resistant on most surfaces. Now they are retractable too! No more losing the cap! This package contains three Black Ultra Fine Tip Permanent Retractable Markers. Nontoxic and conforms to ASTM D4236. Imported.