Foil balloons can change in size by a few inches when inflated. The expected approximate size for Northstar number jumbo balloons is listed in the chart below. The balloons should inflate to the correct height, even though the balloon may have a different height when not inflated.
Inflated Height and Width Northstar Brand Number Balloons
Numbers | Height (inches) | Width (inches) |
| 0 | 32.5 | 21 |
| 1 | 32.5 | 13.5 |
| 2 | 32.5 | 20.5 |
| 3 | 32.5 | 20.5 |
| 4 | 32.5 | 21.5 |
| 5 | 32.5 | 20 |
| 6 | 32.5 | 20.5 |
| 7 | 32.5 | 21.5 |
| 8 | 32.5 | 20.5 |
| 9 | 32.5 | 20.5 |
