Magnetic Eraser Whiteboard Eraser , Rubber Eraser 1. It is composed of polyester sponge and a melamine compound. 2.Two sides can be used. Can meets the requirements of cleaning for many kinds of boards. 3. Easy to wipe off and wash, it can wipe off many kinds of dirt by dry or wet erasing. 4.Tocombinative use of ourmultifunctional detergent ,even have a much better effect . 5. It has magnetic material inside and polished pieces of components outside, it can adsorbeon anywhere of board surface, and can clean anything when move gently 6. For home , office and School use . 7.Supply OEM.