Graphite-blend, self-healing cork provides a professional appearance. Dense fiberboard backing is sealed to minimize the potential for warping. Simple mounting system with Command ™ Picture Hanging Strips makes installation easy (48" x 36" & smaller boards require no special hardware or tools when mounted on appropriate surfaces). Aluminum frame with wood grain finish. Interlocking Fasteners System. Board Type: Bulletin; Board Width: 72"; Board Height: 48"; Board Depth: 1".