Decorate your music themed party with this 100cm large unique shape Music Note Double - Magenta foil mylar balloon. The perfect balloon for your music party, this 100cm Betallic party balloon is great for setting the mood and creating an atmosphere of wonder! 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.