Transform the way you teach, study, learn and take notes with this convenient Dry Erase Material Roll. A fantastic tool for teaching or everyday use, make any surface into dry erase in seconds. Just cut to size and place over old chalkboards, file cabinets and more for an easy way to teach and write without damaging your surface permanently. Use your own dry erase markers and wipe away for an instantly clean surface in a snap. Non-removable. Vinyl. 79" x 18"