Spell out a special message using our foil gold "B" letter balloon! This foil balloon measures 14 inches when fully inflated, making it the perfect size for a DIY letter balloon banner at your birthday party or graduation party. Fill this letter b balloon with air using a straw, then combine it on a string with more of our gold letter balloons. Hang your assembled banner on any wall or as a photo booth backdrop! Get all set to celebrate in style and shop the rest of our gold party decorations today.