Magnetic whiteboard erasers adheres to any metal-backed Whiteboard or steel surface for quick storage and access. Compact shape is sized perfect for small hands and for lapboards. Durable construction Cleans easily with just soap and water for long-lasting use. Soft material effectively removes dry-eraser ink without harming the surface of your board. Measures 2" X 2". Each pack includes erasers. Sold as 2 packs for a total of 24 erasers.