It offers exceptional stain and wear resistance and since it's applied over steel the board permits the use of magnetic accessories. APS1824 18in x 24in White Syncoat Magnetic Markerboard with Aluminum Frame Featuring a unique Syncoat writing surface this Aarco APS1824M 18in x 24in white Syncoat magnetic markerboard with clear satin anodized aluminum frame and 1in map rail makes it easy to effectively present information in your classroom or lecture hall. Use it to hold markers erasers and other essential presentation pieces..