Celebrate your graduation themed party with these 11″ round Graduation – Metallic Silver printed latex balloons. The perfect balloons for your graduation party, these 11″ Sempertex party balloons are great for setting the scene! Mix these with a selection of our graduation foil mylar balloons for the perfect balloon bouquet clusters. The balloons can be inflated with helium to float or with a balloon air inflator to hang around the party area like a balloon arch garland. Balloons arrive uninflated.