1,marker pen,whiteboard pen,marker. 2,non-toxic ink; 3,size:11*1CM. 4,there is an eraser on top of it ... . 5,100% new material. Basic information of goods:description:marker pen/markeritem no ... :1,marker pen,whiteboard pen,marker with non-toxic ink.2,100% new plastic material.3,there is an eraser and ... and a sound scientific quality management system. dry eraser marker pen