Each of these is a folded piece of stiff cardboard each about 5" long. These all open up and each has additional advertising on the interior with the exception of the Nolde's Bread. The first two designed as a house both advertise a shingle company in Grand Rapids, Michigan. There are small design differences on each. One is Extremely Fine while one has a split on the hinge edge which has magic tape repair on the interior which has split but could easily be replaced. Next are a pair designed as a large loaf of bread. One advertises Butter-Krust and the other Nolde's. Next is one designed as a light bulb advertising "Delco-light." Slight edge wear. Next is one advertising "Ruberoid Roofing." Couple of small scuff marks and a .5" small stain on one side. Last is one advertising radio character "Steamboat Bill" whose program was sponsored by the cereal Malt-O-Meal. These large size advertising whistles are quite scarce.