Add a cute touch to your kids' birthday with our Balloonify Blue Mylar Number 9 Balloon. The number 9 of this mylar balloon will be perfect for your birthdays and anniversaries and can be paired up with other Balloonify numbers and letters too. With its durable and reusable design, th is safe birthday balloon can be used at various catering events. Featuring a self-sealing design, this party balloon won't leak air. With its moistureproof mylar construction, this number balloon will remain floatable even in humid environments. To avoid the tedious inflating process, this balloon decoration can be extended using a hand pump with air or helium. With a chic blue finish, this helium balloon gives your special event a royal look. Designed with hanging loops, this custom balloon can be hung on walls or ceilings. To reuse this balloon, gently deflate, properly store, and carefully reinflate without overfilling. This blue party balloon measures 16 inches in length. 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) is available and sold separately.