PRICES MAY VARY. Foil Helium balloon, empty balloon is 42 inch, after filled with helium or air, it's 40 in 15 balloon, Gold number 15 foil mylar balloon 40 in tall gold helium number balloon Happy Birthday Decorations, inflated with helium or air, use straw or air pump, straw included Number 15 Mylar Balloon is perfect for decorating a birthday party or 15 years anniversary, birthday party decorations Jumbo foil balloon 15 gold, Can be repeated use, convenient inflation and deflation…