1,marker pen,whiteboard pen,marker. 2,non-toxic ink; 3,size:11*1CM. 4,there is an eraser on top ... ink.3,100% new plastic material.4,there is eraser and magnet on top of it .5,test ... producing different kinds of mini blackboard,chalk board, whiteboard, writing & drawing boards,color clay and marker pens. Our company takes ... and a sound scientific quality management system. dry eraser marker pen