This lightweight eraser effortlessly removes marker ink and gathers any residual dust, leaving your whiteboard clean and ready for the next use. It can be attached to any magnetic surface and used repeatedly without causing any damage to the whiteboard surface. Its compact oval shape fit comfortably in your hand, making it convenient to use at home, during meetings, presentations, or brainstorming sessions. 4-3/4 x 2 x 1 in.