Now starring blue! Our solid Blue Star Foil Balloon exudes festive fun and everyday appeal. Mix with your favorite patterns to create your own custom balloon bouquet. Fantastic for all kinds of events! This 2-sided foil balloon measures 20in in diameter. WARNING: CHOKING HAZARD - Children under 8 yrs. Can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.