Make your loved one's special event even brighter with our Balloonify Gold Mylar Number 5 Balloon. Made into the shape of a 5, this number balloon perfectly pairs with other Balloonify number balloons and letters. With a moistureproof and a premium design, this mylar number balloon stays afloat during long nights or days. This birthday number balloon is durable to reuse at countless events without ruining its form. To use with ease, this foil balloon has a self-sealing design. Plus, you can effortlessly inflate this party balloon with a hand pump using air or helium. The aluminum gold foil finish easily elevates the atmosphere in any room. Equipped with hanging loops, this helium number balloon can be hung wherever you'd like. This foil number 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.