Add the ultimate finishing touch to your party and other special events with these amazing foil helium balloons. This giant balloon is ideal for birthdays! Features: • Material: Foil • Shape: Square • Arrives uninflated Will My Helium Balloon Arrive Inflated? Your balloon will arrive uninflated and in a sealed packet, so you can choose when to add helium and maximise your floatation time. Helium is not included with this product. These balloons are designed to be long lasting and will float for up to a week when inflated with helium. Mix and match this eye-catching foil balloon with a selection of latex and other foil balloons in coordinating colours for maximum impact. Product Information: • Helium Balloon • Design: Justice League Happy Birthday • Fill with helium • Helium not included • Uninflated in sealed package • Dimensions: 18 inch