18" HAPPY BIRTHDAY TO YOU !
- INCLUDES SELF SEALING VALVE - Self-sealing valve prevents the gas from escaping after it's inflated.
- FILL WITH HELIUM - Inflate balloon with helium using a foil balloon inflator.
- Balloon comes uninflated.
- Mylar/ foil balloon.
- Balloons should always be weighted and never released into the air. Always dispose of balloons properly.