Unique Industries Celebrate a special age with our Latex Fun Happy 16th Birthday Balloons. These latex party balloons come 8 per pack and measure 12 inches each. Inflate each latex balloon with helium or air before decorating a sweet sixteen party. These helium-quality balloons are a variety of fun colors and will add big style to your celebration when tied to furniture gifts and more. Make your party look magnificent by more of our fun and affordable sweet 16 party supplies.