Dress your party with wow-worthy flair using our 34" giant foil rainbow number 9 balloon. Measuring 34 inches when fully inflated, this giant number balloon makes a dazzling choice for your milestone birthday party. Inflate this number nine balloon with helium, and use curling ribbon to tie it down to a balloon weight or a piece of furniture. Be sure to combine it with other of our rainbow number balloons to customize the guest-of-honor's age! Find more ways to celebrate in style shop the rest of our rainbow party decorations today.