Create a magical party atmosphere with our foil unicorn party birthday balloon. Featuring a cute mythical unicorn design and "Happy birthday" Text, this foil balloon is ideal for decorating a unicorn birthday party. The helium-quality balloon self-seals for easy inflation, and can be filled with helium or air via a hand-pump. This 18-inch balloon will look great tied to a large birthday gift, or combine it with an assortment of matching solid colour latex balloons to create a charming balloon bouquet.