Aluminum Frame Markerboard, 18inchesx 24 inches Bright marker colors capture attention yet wipe off cleanly and easily with a dry cloth or eraser. Ghent1s extra layer of specially formulated coating results in a smooth, scratch-resistant surface that erases easily. Features an anodized aluminum frame, and full-length chalk tray trimmed to eliminate sharp corners. Includes 4 markers, 1 eraser and mounting hangers. Additional shipping charges apply.