Durable, premium porcelain surface will not scratch, dent, stain or ghost under normal usage. Built-to-last magnetic board has a galvanized steel backing for extra durability and contain 15% recycled content. High-quality aluminum frame assures style and durability. Easy, snap-on accessory tray included. Interlocking Fastener System includes mounting brackets plus Command™ Picture Hanging Strips to stabilize bottom of board. 4 ft x 3 ft and smaller boards can be hung without hardware on appropriate surfaces.