Add a hint of glamor and radiance to your party using our Balloonify Silver Mylar Number 3 Balloon. Shaped into a number 3, this foil number balloon can be paired with other Balloonify numbers and letters to spell out heartwarming messages. Made from durable mylar, this birthday number balloon is moistureproof. Plus, this helium number balloon can be reused whenever needed. With a self-sealing design, this foil balloon won't let any air escape while inflating and is very easy to use. For your convenience, this number balloon can be inflated with a hand pump using air or helium. The aluminum silver foil finish helps create an unforgettable atmosphere. Built with a hanging loop, this foil balloon can be hung on any ceiling or wall. Measuring 16 inches in length, this big number balloon helps create lasting memories for guests to cherish forever. 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.