18" Foil Polka Dot&nbsp;5th Birthday Balloon 1 Foil Polka DotFifth Birthday Balloon Helium-quality balloon measures 18" when fully inflated (ships uninflated) Cute for any 5th birthday party as a standalone decoration or added to a balloon bouquet Fasten to the front door, porch, or mailbox to show guests where the party is located Combine with other 5th birthday party decorations and party supplies