Use assorted colors 11" Birthday Latex Balloons with the words Happy Birthday in a script font to create brightly-colored balloon bouquets. To create balloon bouquets, fill the balloons with helium, add balloon ribbon and group several balloons together at varying heights and add a balloon weight to hold them in place. Set the balloon bouquets around your party room for added bursts of color. Note: Helium, balloon ribbons and balloon weights are not included (all sold separately). Balloons come 50 per package.