Spread cheer at your party with our Balloonify Rose Gold Mylar Number 1 Balloon. This helium number balloon is a number 1, making it perfect for adding it with our other Balloonify numbers and letters to make meaningful messages. Made from mylar, this birthday balloon is moistureproof and ensures no harmful substances are present at your events. To use on multiple occasions, this metallic balloon is durable and reusable. The self-sealing design of this foil balloon keeps it full of air and ready for your celebrations. For simple and effortless inflating, this anniversary balloon decoration can be blown up with a hand pump. To make it float in the air, this celebration balloon can be filled with helium or air. Featuring a rose gold finish, this air-filled balloon is perfect for cute occasions such as children's parties or baby showers. With a hanging loop, this number balloon can be hung from almost anything. This party 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.