... all the internation qulity standard easy erase PEN: MARKER PEN : 1. the maker pen,as we term it, uses its ... directly and easily.2. There is a large reserve supply of ink, a fast flow and the ink iscompletely ... protected in the pen.3. This product can be refilled with ink, ... more, there have a variety of USES , for pen,for chalk,for present, use on company, on school ...