Sanford-Sharpie Fine/Ultra Fine Twin Tip Permanent Marker Open Stock: Red. Experience These Twin-Tip Permanent Markers With A Bullet Tip On One End And An Ultrafine Tip On The Other. Fade- Resistant And Water-Resistant Ink. Alcohol-Based Ink Is Quick- Drying. This Package Contains One 5-1/2 Inch Long Twin-Tip Permanent Marker. Conforms To Astm D 4236. Imported.