Product Featuresο ¦WOOL MATERIAL INSERTED HIGHER DENSITY CLOTH GIVES EASIER WIPING AND GENTLENESS TO THE BOARD SURFACE. ¦REMOVE WHITE BOARD MARKS ONLY, NOT THE OTHER PEN WRITINGS. ¦EACH SHEET CAN NOT BE RETTACHED AFTER BEING RIPPED OFF. ¦DISPOSAL AS FLAMMABLE RUBBERISH WHENEVER EACH SHEET IS EXHAUSTED AND RIPPED OFF. ¦KEEP OUT OF REACH OF CHILDREN...