Make a statement at your kid's birthday party with our Balloonify Blue Mylar Number 9 Balloon. The number 9 birthday balloon from Balloonify can be used with other Balloonify numbers and letters to create a custom banner. With a moistureproof mylar material, this number balloon can withstand humid conditions. This balloon decoration has a self-sealing valve that avoids air from seeping out. Easily reusable, this balloon can be used for multiple events and reduces your carbon footprint. Efficiently save time by pumping this graduation balloon with a hand pump. This graduation balloon can be inflated with air or helium and hung on hinges or floated on the ceiling. With its stylish blue hue, this helium balloon adds a mystic touch to your banquets. The hanging film of this custom balloon allows you to tack it to nails or stand it upright. This blue mylar balloon measures 40 inches in length. To reuse these balloons, gently deflate, properly store, and carefully reinflate without overfilling. Shipped deflated in a 1 count box. This party balloon can be easily inflated with the included straw, providing you with full control to help eliminate the risk of over-inflation. Electric air balloon pump (SKU: RWP1061) sold separately.