Plinrise Office Colored Fineliner Sketch Drawing Pen Fine Point Gel Ink Pen Ink Width 0.4mm 24 Colors Especially used by the designers of Architecutre, AD, Comic and Animation for drawing lines and signing High quality , Easy and comfortable to write . Package contains 24 pens of different colors. Ink width:0.4MM Please note: because the pen is small size, so the ink contains can not last too long. Please use as soon as possible after receiving the pen, in order to avoid the ink dry