War Production Board (WPB) safety poster. Safety poster produced by the WPB for distribution to war plants. The original poster is available in two sizes: 28 1/2 x 40 inches and 28 1/2 x 20 inches. Of the larger size, 50,000 have been printed. Of the smaller size, 175,000. Colors are black and red. Requests should be sent to the Distribution Section, Office of War Information (OWI), Washington, D.C.