Amazing 3M™ Whiteboard Eraser removes dry erase marker from whiteboards and also cleans permanent marker stains on whiteboards without sprays or cleaners just use water. Each pack includes 2 pads. Sold as 3 packs for a total of 6 pads. Great for cleaning dry-erase boards. No need for sprays or cleaners. Removes permanent marker from white boards - simply add water!. Helps keep your whiteboard clean. Age: 4+ years/Grade PK+