Perfect for home, school and office. Keep your whiteboard clean and reduce allergens in the air. Eraser features 12 separate layers, just peel off a layer when you need a new one for a fresh eraser! This dry eraser is a great addition to any whiteboard. Board Eraser Application: All Dry Erase; Eraser Pad Material: Foam; Plastic; Eraser Width: 5.7"; Eraser Depth: 2.3".