The SuperShape Black Grad Cap & White Diploma Foil Balloon measures 63 cm x 63 cm and is supplied in a pack of 1. This versatile balloon can be inflated with both air and helium, allowing you to choose the perfect way to display it at your graduation celebration. Whether you want it to float gracefully with helium or be used as a decorative piece with air, it will add a touch of sophistication and celebration to your event! 🎓🎈