Avengers Foil Balloon Bouquet 1 x 32″ Happy Birthday Princess Supershape Foil Balloon 1 x 18” Matching Foil Balloons  8 x 11″  Latex Balloons   All balloons are helium filled right before being sent for delivery. Bouquets are weighted down with a foil balloon weight. Our latex balloons are treated with hi-float gel to ensure maximum floating time.