One 18 inch Fun Circles Happy Birthday Foil Balloon. Wish anyone a wonderful birthday with our Fun Circles Happy Birthday Foil Balloon! This festive metallic balloon features vibrant circles and dots in cheerful party colors. Create an impressive balloon bouquet by pairing one or two Fun Circles Happy Birthday Foil Balloons with a bundle of Solid Color Latex Balloons in your favorite coordinating colors. Tie up your bouquet with some Solid Color Curling Ribbon for the perfect finishing touch.