Whether it's for a 1st or a 100th milestone celebration, this Giant Silver Foil Number 1 Shaped Standing Balloon will make party décor larger than life! Measuring 2.5 feet high when fully inflated, this number balloon will make one birthday party or anniversary party decoration that can't be missed.  Fill it up with air using a balloon pump for a first birthday party centrepiece, or combine it with another number balloon to celebrate any milestone event.  You can even use it as fun photo prop or photo booth backdrop, or spell out the year for a graduation party or New Year's Eve party. This balloon is also perfect for engagement photo shoots to let guests know your wedding date. Best of all, this foil balloon is self-sealing, making inflation as easy as can be. Warnings - Choking hazard. - Not suitable for children under 3 years due to small parts. - Do not use near overhead powerlines or during thunderstorms.