This Balloons Is Made Of Aluminum Foil,It Can Be Filled With Air Or Helium, But It Is Not Recommended To Fill It Too Full For Easy Explosion. Made From Grade 'A' Quality, This Classy Wall Decoration Is The Perfect Backdrop For Photography And Is Durable And Re-Usable As Well.Our Balloons Are Crafted Of Durable Foil Or Strong Latex, Will Hold Up To 72 Hours For Celebrating.These Balloons Are Great For A Do-It-Yourself Decoration, Centerpiece Or Backdrop At Birthday Parties. They Can Easily Attract Children's Attention And Give Them A Happy And Unforgettable Party Experience. Application: Birthday Party, Baby Shower, Anniversary Celebration, Graduation Celebration, Room Decoration, Etc. Attractive Design Cute Shapes And Bright Colors, These Inflatable Balloons Are Good Party Supplies, Provide Good Decoration Effects, And Add A Lively And Happy Feeling To The Scene, Making Your Party Full Of Joy And Happiness.