A marker pen is also called a marker pen, a microphone pen. Permanently attached, non-decolorized, with standard 12 colors, can be written on any paper, plastic, glass, whiteboard, metal and other solids, the ink is oily, non-toxic, can be wiped off with organic solvents such as alcohol, and Similar to the whiteboard pens in teaching, it can be used on glass and whiteboards instead of whiteboard pens, and then wipe with alcohol. If you cannot write normally because the cap is not tightly closed, you can unplug the pen and add some alcohol to dilute the ink, then you can write. The oil-based marker is a pen used by modern young people for graffiti and marking, but its graffiti effect is not as good as For acrylic paint, netizens will encounter the ink of oil-based pen on some utensils or clothes. If these utensils are not afraid of organic solvents, it is recommended to wipe them off with alcohol (generally), and oil-based pens can be applied to places that are prone to rust. Play a certain role in rust prevention, it is recommended to use paint for rust prevention!