Elevate the look of your party using our Balloonify Gold Mylar Number 4 Balloon. Shaped into a number 4, this number balloon can be paired with other Balloonify numbers and letters to craft radiant messages that people won't forget. Designed with mylar, this reusable giant number balloon is moistureproof and withstands unwanted substances to create a pleasing ambiance at your event. The durable material of this mylar number balloon can be used again without losing its premium quality. With a self-sealing design, this foil number balloon is easy to inflate and deflate. Plus, you can simply inflate this party balloon with a hand pump using air or helium. The aluminum gold foil finish transforms any room into a dreamy, glistening paradise. The hanging loop in this big number balloon is great to hang on walls or ceilings. This birthday number balloon measures 16 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.