Microfiber Dustless Chalk Eraser Magnetic Chalkboard Eraser Multipurpose Cleaning Duster Washable Reusable Eraser for Markers, Chalk, Home, Classroom and Office (2 Pieces)

Reusable and can be used with cleaning agent(not included).

Built-in magnets for easy attachment to the chalkboards.

Detachable design, so you can wash the cloth with water.