Save paper by using a time tested and reusable writing surface. Black chalk boards are the perfect size for school, office and home message centers. Works well for handwriting practice, working equations, brainstorming and more. Details: Black 24" x 36" x 0.13" each Set of 2 chalk boards For use with white and color chalk and felt erasers Hardboard backing is warp and chip resistant Includes adhesive squares for mounting Sized to be handled easily Great for home or office Rounded corners and smooth edges Hanging tabs included Suitable for indoor use