• Measures 27 X 19 • Self sealed • Ships uninflated • Fill with air or helium (to float) • Will float approximately 1 week when filled with helium • Double sided Gangsters goons and supervillains will all think twice about crashing your party and causing chaos once they catch a glimpse of this double-sided Batman Emblem balloon by Anagram. Balloon features the trademark black and gold icon of Batman s Bat Symbol double-side printed on quality Mylar foil. Balloon measures 27 X 19 is self-sealing and ships uninflated. Fill with regular air or helium to make it float (balloon will float for approximately 1 week if filled with helium). A wonderful party decor addition for avid Batman fans comic book collectors and anyone with a strong deep-seated dislike for clowns.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.