Celebrate your graduation themed party with these Round Simply Congrats Grad - Carnival Assortment printed latex balloons. The perfect balloons for your graduation party, these party balloons are great for setting the scene! Package includes Simply Congrats Grad - Carnival Assortment latex balloons. 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.