A single large foil/mylar balloon in a number shape in metallic rose gold. These foil balloons are a popular decorating idea for birthday parties, graduations, reunions, New Year's Eve parties and so much more! Available in a range of colours to suit your event. Balloon is made from mylar foil. This balloon has a self sealing valve and require a foil nozzle to inflate. Foil balloons need to be inflated with helium in order to float. These balloons are perfect for making elaborate balloon sculptures and decorations. These inexpensive decor are sure to be a hit at any party and are definitely going to become your 'go to' decoration for all your special occasions, so grab yours today.