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" and smaller boards require no special hardware or tools when mounted on appropriate surfaces). Aluminum frame with wood grain finish. Command™ Self Mounting System—No tools required. Board Type: Bulletin; Board Width: 48"; Board Height: 36"; Board Depth: 1".