blackboard You canuse fluorescent marker forthis item!And it iswith magnetic! Easy to wipe off with dry or damp cloth. it will not leave any trance after cleaning on the bright surface. You also can leave a message using magnet ball to improve working efficiency. It is made of the high quality board anddurable enough. You can use it for a long period. It fits well for the school students, office, and home etc. Size:20x30cm-60x90cm frame:wooden frame surface:black smooth quality surface,magnetic back:fiber/pp/card/MDF