This Bi-Office Professional Magnetic Eraser has replaceable felt pads to dry wipe ink from suitable surfaces, such as whiteboards, essential for dry wipe board maintenance.With its handy magnetic qualities, this eraser has been designed to stay on whiteboards, so you will never lose your board eraser again, ideal for school and office use.. Eraser with replaceable felt pads . Magnetic eraser . Essential for dry wipe board maintenance . Felt pads can be replaced when necessary. Dimensions: 40 x 140 x 35mm* Please note that this product is shipped direct from our supplier and may take longer to arrive.