... -4236 approved 1 Used to mark on the hand-written board with LED light and glass surface2 It is good for ... Including color:white,red,yellow,blue,orange,purple,green and pink4 It's suitable for wirting and drawing on the highlighter board,also ... highlighter ink,non-toxic,clean ,healthy and environment6 Writing randormly on the highlighter board with LED light,light writhing ,bright color such ...