This cry babies unicorn balloon will make the perfect addition to your girls Birthday party! Great decoration to use for tables, create a center piece with or place on floor height This balloon will come flat and needs inflating. It can be inflated with air or helium. Once inflated it can last up to a week and it measures approx 44". This cry babies unicorn balloon will make the perfect addition to your girls Birthday party! Great decoration to use for tables, create a centre piece with or place on floor height. This balloon will come flat and needs inflating. It can be inflated with air or helium. Once inflated it can last up to a week and it measures approx 44".