This 40 inch Black Double Music Note Pkg Graduation Balloon is perfect for graduation parties! The two-sided balloon is made by Betallic and is self-sealing, so you don't have to worry about it deflating. It comes in a pack of one, so you can easily get the number you need for your event. With its Rock and Roll theme, this balloon will bring your graduation party to life! You can trust the quality of Betallic and know that this balloon will be a hit.