Big Sign Promotions rents and sells a full range of advertising balloons, specialties and attention getting devices for both commercial and residential use in the Chicago area. We specialize in Grand Openings, Open Houses, Sales, Birthdays or any special event. We rent Giant advertising balloons (for ground or rooftop use), Sky Dancers and Air Dancers, searchlights, lawn signs, banners, flags, concession equipment, and signs. Cold air advertising balloons come in many shapes including Hot Air, Big Gorillas, Dinosaurs, American Eagles, holiday shapes and other unique Inflatables!