3 Super Hero Green Lantern"Happy Birthday" Mylar Balloon Bouquet - DC Comics Green Lantern Balloon Bouquet Bundle This Bouquet Bundle Contains 3 Mylar Foil Balloons 1 Round Green Lantern Balloon 2 Square "Happy Birthday" Balloons Balloons are double sided with the same image on both sides The balloons measure 18 inches and are self sealing.