The Pro-Rite® Series offers the most durable, top-of-the-line writing surface available today. Made with a porcelain steel surface, these magnetic markerboards are backed by a 50-year warranty. Quick Ship sizes: 2' x 3', 2' 9 1/2" x 3' 9 1/2", 4' x 5', 4' x 6', 4' x 8', 4' x 10', 4' x 12' with Aluminum frame only . 2' x 3', 2' 9 1/2" x 3' 9 1/2", 4' x 6', 4' x 8' available for Quick Ship with Oak frame. MARSH ORDERS TOTALING OVER $1000.00 SHIP FREE.