Marker Pen Introduction: Marker pen (English: Marker pen or marker), also known as marker. Is a kind of writing or drawing special drawing color pen, itself contains ink, and usually comes with a cap, generally has a hard nib. Markers have volatile pigments and are used for quick, one-off drawings. They are often used for designing objects, advertising slogans, drawing posters, or other artistic endeavors. They can be used to draw a less varied, thicker line. Box-tip pens are a type of marker. Now the marker is divided into water-based and oil-based ink, water-based ink is similar to colored pens, is not the contents of the oleoresin content, oily ink because it contains oleoresin content, so the taste is more stimulating, and easier to evaporate. If the toy paint can be used to make up the color of the marker.