18"
18" Quartz Purple Round Foil Balloon
Quartz Purple 18" round foil balloons. Self-sealing, from £1.20 each.
- size
- 18"
- colour
- Quartz Purple
- shape
- Round
- Helium required
- 0.015m³ helium each
About these
A quartz purple foil balloon with a self-sealing valve, so it holds gas as soon as you pull the nozzle out. No knot, no clip.
Takes around 0.015m³ of helium. That is roughly 23 from a 0.35m³ disposable.
Foil holds helium far longer than latex — several days, and often a week or more indoors. They also deflate slowly enough to be refilled and used again.
Keep them out of direct sun and away from radiators. Foil expands in heat and the seams will split if a balloon is over-filled and then warmed.
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