Make your bash look vibrant with our 34" giant foil rainbow number "3" balloon! Measuring 34 inches when fully inflated, this giant number balloon will stand out at your milestone birthday party. Fill this number three balloon with helium, and use curling ribbon to tie it down to a balloon weight. Or, inflate it with air, and slide it onto a string through the tabs at the top. Combine it with any of our other rainbow number balloons to customize any age! Find more ways to bring the color and shop the rest of our rainbow party decorations.