Create an electrifying statement with your anniversary wedding anniversary by using our Balloonify Silver Mylar Number 9 Balloon. This Balloonify number 9 party balloon pairs perfectly with other Balloonify numbers and letters, making it perfect for birthdays and special occasions. Designed from premium mylar, this number balloon is moistureproof to conveniently use outdoors. The self-sealing feature of this party balloon locks the air inside, making the balloon stay upright throughout the entire event. Inflate this birthday balloon using a hand pump. Easily expand this balloon decoration with air or helium. Featuring an aluminum silver shade, this graduation balloon provides a glossy touch to your banquets. The built-in hanging film allows you to hang the reusable helium balloon easily on any hard surface with hooks. This silver 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.