Mogyann Adult Coloring Pens 100 Colors | double Ended PensPlay with Mogyann Nice coloring markers This dual tip pen is designed for beginners. Compared with professional marker pens, it is easier to use and more affordable. Reliable quality and expanded ink capacity allow beginners to use it with confidence. At any time, this 100 colors dual tip marker is a perfect choice as a gift. Note: 1. Water based ink will evaporate when exposed to the air. Please close the pen cap in time after use to prevent the ink