17" - Put a special touch on your next party with our Standard Latex Balloon with helium quality. 100% biodegradable; this balloon features natural latex and superior Zenith silk-screen printing. This green product is made in the USA and has 26-48 hours of flat time. Warning: Choking hazard. Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. The standard assortment does not include white. California Warning. This product may contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.