Celebrate birthdays with the DC Super Hero Girls Happy Birthday balloon, a high-quality foil balloon measuring 18 inches. This balloon comes in a single pack and features vibrant designs printed on both sides. To use the balloon, helium is required for inflation, and it has a convenient self-sealing feature that makes it easy to set up for your party. The balloon is perfect for any birthday celebration, bringing joy and excitement to young fans of the Super Hero Girls. Please note that the balloon arrives uninflated, and caution is necessary as uninflated or broken balloons pose a choking hazard to children under nine years old. Adult supervision is essential, and it is important to keep uninflated balloons away from children. Discard any broken balloons immediately to ensure a safe environment for everyone. This delightful balloon adds a special touch to your festivities, making birthday moments truly memorable.