Create special days or night celebrations with our Balloonify Blue Mylar Number 3 Balloon. Made into the shape of a 3, this mylar number pairs with other Balloonify numbers and letters to craft custom messages for your party. Built with mylar, this number balloon is moistureproof and steers away from unwanted substances. This party balloon is also durable to reliably reuse again. With a self-sealing design, this big number balloon can be inflated or deflated without hassle. This birthday number balloon can easily be inflated using a hand pump with air or helium. The aluminum blue foil finish perfectly suits any beach or marine-inspired events. To hang on walls, this helium number balloon has a hanging loop. This mylar number balloon measures 16 inches in length, ideal for any foodservice establishment or event. 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 remove the risk of over-inflation. Electric air balloon pump (SKU: RWP1061) sold separately.