18" Foil Jurassic World Balloon 1 Foil Jurassic World Balloon Jurassic World Helium Balloon measures 18" when fully inflated (balloons ship uninflated) Makes a great table centerpiece when paired with solid-color latex balloons and a balloon weight Tie to a mailbox to designate the location of your Jurassic World birthday party Combine this with other Jurassic World party supplies and party decorations