Quantity: 1 Bring your Sesame Street party to life with this 18 round Sesame Street Rosita Birthday foil mylar balloon! This Anagram balloon features Rosita and is perfect for using in a Sesame Street themed balloon bouquet or room decor. Pair with some of our other Sesame Street 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.