1. Marker pen (English: Marker pen or marker), also known as marker pen. It is a special drawing color pen for writing or painting. It contains ink and is usually attached with a pen cover. It usually has a hard and soft pen head.
 2. The paint of marker pen is volatile and is used for one-time quick drawing. It is often used for designing articles, advertising slogans, poster drawing or other artistic creation. It can draw thick lines with little change. Box head pen is a kind of marker pen. Markers can also be divided into water-based ink and oil-based ink. Water based ink is similar to color pen, and it is the content without oil essence. Oil based ink has oil essence, so it tastes more exciting and volatile. If the paint falls off the toy, you can use a marker to touch up.