18" Birthday Jubilee Flat Balloon is a balloon that is great for any type of birthday party. With its fun balloon, stars and confetti theme, its a fun touch for any party. Each package will include 1 round shaped balloon made of foil. The balloon will have the stars and balloons theme with the purple "happy birthday to you" message. The balloon will measure 18" around when blown up. Please note that balloons do not come inflated.