Gold Numbered Balloon 40cm, Without Helium

Price for flat foil balloon not inflated, add 2000 to inflate by air

This size doesn't float with helium. Use regular air.
How to inflate : There is a small valve, inter the a straw in it, blow, after inflated full enough pull out the straw and press the valve to seal it.

Do not inflate too much, on out door area foil balloon will expend it self from the moisture.