DECORA Jumbo Helium Foil Golden Digital Balloon 40" for Birthday Party.2 Size: 40" Foil Digital Air-filled / Helium Balloon Tabs on the balloons make it simple to hang your balloons if preferred. Balloon will float when filled with helium. Will not float when filled with air. Great for baby' birthday parties. Because of the particularity balloon, we cannot open to check the balloons. The disqualification rate is 0.5%.If have any quality problems, please contact us and we will help you solve it.