Celebrate your milestone, birthday or anniversary themed party with these 11" round 50th Anniversary Damask printed latex balloons. The perfect balloons for your milestone, birthday or anniversary party, these 11" Qualatex party balloons are great for setting the scene! Mix these with a selection of our milestone, birthday or anniversary 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.