Celebrate your polka dot themed party with these 11 inch round Sempertex Multi Polka Dots - Crystal Clear printed latex balloons. The perfect balloons for your polka dot party, these 11 inch Sempertex party balloons are great for setting the scene! Mix these with a selection of our polka dot 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.