Number 1 party balloon. Foil Balloon Number 1 Rose Gold, 86 cm (34 inch). Contains: 1 Foil Balloon. You can use this article for the following party occasion(s): Birthday, Jubilee, Sweet Sixteen. This number balloon: number 1 in the color rose gold, has an inflated length of 86 cm (34 inches). The foil balloon has a glossy finish. Easy to hang after inflation thanks to the hanging tab. Suitable for helium and air. This item is made of foil.