3M® Cork Boards feature graphite blend cork and stylish widescreen aluminum frames for a professional appearance. Self healing cork. Includes mounting brackets plus Command® picture hanging strips to stabilize bottom. All 4 ft x 3 ft and smaller boards can be hung without hardware on appropriate surfaces. Command® Self Mounting System—No tools required. Board Type: Bulletin; Board Width: 48"; Board Height: 36"; Board Depth: 1".