An advertising device formed from an elongate, foldable one-piece blank is provided. The blank includes a first rectangular panel having a first end edge and a second end edge opposite the width of the first rectangular panel from the first end edge; a second rectangular panel having a first end edge connected to the second end edge of the first rectangular panel by a fold line, the second rectangular panel having an opening therethrough and a second end edge; a third panel having a first end edge connected to the second end edge of the second rectangular panel by a fold line, the third panel having a width that is less than the width of the second panel and a second end edge interrupted by an inlet, the third panel folded over and adhered to the second panel to correspond the inlet with a portion of the opening in the second rectangular panel; a fourth panel comprising a middle portion intermediate two elongate arm portions, a first end edge of each of the elongate arm portions connected to the second end edge of the third panel by a fold line; a fifth panel having a first end edge interrupted by an inlet, the inlet of the fifth panel corresponds to a second portion of the opening through the second rectangular panel when the fifth panel is folded over the second panel, the first end edge of the fifth panel connected to the second end edge of the fourth panel by a fold line, the fifth panel having a second end edge; a tab panel having a first end edge connected to the second end edge of the fifth panel, the tab panel folded over and adhered to the first panel. The middle portion of the fourth panel is smaller than the area between the inlets of the third and fifth panel.