Celebrate your mermaid or ocean themed party with these round 11" Merry Mermaid & Friends printed latex balloons. The perfect balloons for your mermaid or ocean party, these Qualatex party balloons are great for setting the scene! Mix these with a selection of our mermaid or ocean 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.