Japan Crystal Balloon (filled helium and inner balloons)
Product Information
Crystal balloon have 17、19、24 inch available
Crystal balloon included inner balloons, can fill balloon quantity:
Notes for fill helium for floating
Floating duration:
- Crystal Balloon: about 5 days
- 12" latex: about 10 hours
- 10" latex: about 6 hours
- 18" foil: 2 days or above
- Helium balloon will shrink over time and eventually not float. So, don't fill with helium too early
- Too hot, too cold and large temperature differences will affect the floating time