The Barbie Jumbo Balloon is a fun and colorful addition to any party or event. With a size of 32 inches, this jumbo balloon is sure to make a statement. It requires helium to inflate and is automatic self-sealing for convenience. Please note that the balloon arrives uninflated. It is important to keep un inflated and broken balloons away from children, as they can pose a choking hazard. Adult supervision is required.