... wirtting and erasing,clear handwriting,dry rub recipe,with a dry cloth or tissues can be easily ... for whiteboard,glass,mirrors and the other smooth surface with graffity.5 The marker is liquid type ,can ... and environment6 Writing randormly on the highlighter board with LED light,light writhing ,bright color such as ... neon light.7 Can be arbitrarily earse8 On this basis ,we ...