A sparkling Happy Birthday Balloon featuring colorful hearts and stars on a white background. It features a ?Happy Birthday? message making it a perfect piece of personalized birthday decor. A round foil balloon makes the space look vibrant on its own or in a custom balloon bouquet for your loved one?s next birthday party. Self-sealing and reusable balloon arrives uninflated and measures 18″ on inflation. To inflate it with helium please visit your closest Wanna Party store or contact any helium gas provider near you.