Ibrex Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Metalic Red Star 19" Foil Balloon - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Helium inflated could float for a month! Size: 15 Inch Gas Capacity: 8.3 Litre Comes inflated with weight