Mix Color Marker Pen used in all kinds of school, college (3 Pcs Set)Mix Color (Blue, Red, Black) Marker Pen used in all kinds of school, college (3 Pcs Set) Description: Mix (Blue, Red, Black) Marker Pen used in all kinds of school, college, and official places for studies and teaching among the students. Its design is very ease going and very handy in order to use it clearly without any problem or facing any disadvantage. It is made under the consideration of users concern, which makes this product safe while using