Details: 1 Foil Number Balloon Balloon Size: Measures 40" when fully inflated (ships flat) Inflation Options: Fill with helium for floating effect or use a balloon pump to fill with air Self-Sealing: Balloon self-seals after inflating for convenience Versatile Decoration: Add more numbered balloons to create custom ages or dates for your decoration needs Ideal Use: Perfect for a variety of occasions such as bridal showers, wedding photoshoots, birthdays, and more Safety Warning: CHOKING HAZARD: Children under 8 years old can choke or suffocate on uninflated or broken balloons. Adult supervision is required. Keep Away: Keep uninflated balloons away from children. Discard Broken Balloons: Discard broken balloons immediately to prevent choking hazards.