BIC Marking Fine ECOlutions is a portable Permanent Marker that is perfect for use at home, school or the office. It offers a quick drying fine line width of 1.1mm for precise control. The alcohol-based black ink will stand out on most surface. It dries quickly with a low odour and is resistant to fading. The tip will not dry out even if the cap is left off for a month, making this a Permanent Marker that will last you a long time.