Somewhere over the Rainbow! We love balloons and we love rainbows so as you can imagine this Rainbow foil balloon gets a big love from us and it will get a big wow with its size 86cm of Rainbow!Sold individually uninflated. These giant foil balloons are self sealing & can be inflated with air or helium (we recommend helium). For helium inflation or tank hire it is recommended to visit a reputable outlet & not overfill.