At Every Celebration.Size : Approximately 9 Inches Round,Blow Them Up With Either Your Mouth, Air Balloon Pump, Or Helium. Along With Buntings, Balloons Are The Most Favored Decorations For Any Occasion.Birthday,Wedding Party Decoration Balloons. Balloons Can Be Used Anywhere Anytime And By People Of All Ages. Personalize The Party With These Helium/Air Foil Balloons. Bring Color Into A Party With Great Balloon Art. Use It To Liven Up The Party Venue And Win Over The Hearts Of The Kids By Giving Balloons As Party Favors.