Accentuate your pearl-themed party with our Balloonify Silver Mylar Number 9 Balloon. With a number 9 design, this reusable party balloon can be paired with our other Balloonify numbers and letters, making it perfect for all your special events. This number balloon is moistureproof and allows you to use them in humid conditions. Easily inflate this silver mylar balloon with air or helium using a hand pump. The self-sealing valve of this jumbo balloon locks the air in to provide a crisp look. With its silver finish, this helium balloon exudes a glitzy shade that's perfect for parties. This balloon includes a built-in hanging loops, making it easy to hang on any hard surface. Featuring a thin layer of aluminum, this balloon leaves no space for air to escape and gives a glossy appearance. This happy anniversary balloon measures 16 inches in length. To reuse this balloon, 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) is available and sold separately.