Abstract: A combination greeting card and envelope formed from a unitary sheet of material. The combination greeting card and envelope has a main card panel with a front face and a rear face, a pair of side doors, one each extending from side edges of the main card panel, with the pair of side doors being sized to generally overlay at least a portion of the front and rear faces of the main card panel. A closure panel having a front and back side extends from a top edge of the main card panel, with the closure panel being sized to be overlayable of the main card panel. A retention flap extends from a top edge of the closure panel. In use, the combination greeting card and envelope is designed to be folded for display on a retail rack, folded for mailing, and folded for display by the end user.