These Eraser Pads are made of a unique material that removes tough stains and marks from virtually any surface. Just wet with water for a quick clean-up of scuff marks, stains, dirt, soap, scum, crayon and more! Eraser Pads can be one kitchen counters, bathroom sinks, toilets, walls and floors. There are 4 eraser pads per box. Each pad measures 4.75" x 2.5" x 1" and comes packaged in a clear window box.