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- 17" Harry Potter Foil Mylar Party Balloon - INCLUDES SELF SEALING VALVE - Self-sealing valve prevents the gas from escaping after it's inflated.
- FILL WITH HELIUM OR AIR - Inflate balloon with helium using a foil balloon inflator or with air using a balloon hand pump.
- Balloon arrives uninflated.
- Mylar/ foil balloon.
- Balloons should always be weighted and never released into the air. Always dispose of balloons properly.
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