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CARGEN 40-Inch Big Number Balloon - Giant Foil Decoration for Birthday Party | Creamy White No. 1
$8.95
- 40 inch balloon can be inflated with helium gas and will float in the air once filled. Floating principle: Helium gas has a lower density than air, so a balloon filled with helium will rise due to the buoyant force exerted by the surrounding air
- The 40-inch large balloon creates a striking visual impact at parties and events due to its large size
- Notes: Foil number balloon lack elasticity; it is recommended to inflate them to 90% capacity. Once air-filled, birthday balloons can maintain their shape for up to 72 hours
- Material: Mylar balloons are made by covering the surface of a standard balloon with a layer of special aluminum foil film. Their shell consists of two layers of film, an inner and an outer layer. Durability: Compared to traditional balloons, foil balloons are more robust and durable. They offer advantages such as water resistance, UV protection, and wind resistance
- Reusable: Large number balloons can be reused after deflation