Quantity: 1 Bring your Barbie party to life with this 17" round Mermaid Barbie foil mylar balloon! This Anagram balloon features Mermaid Barbie and is perfect for using in a Barbie themed balloon bouquet or room decor. Pair with some of our other Barbie foil mylar and latex balloons for a great design! This balloon includes a self-sealing valve, preventing the gas from escaping after it's inflated. The balloon can be inflated with helium to float or with a balloon air inflator. Balloon arrives uninflated.