Create spectacular decors using our Balloonify Rose Gold Mylar Letter O Balloon. This reusable mylar balloon is in the shape of the letter "O" and can be placed with our other Ballooonify letters and numbers. Manufactured with top-quality mylar, this happy anniversary balloon is unaffected by heat or moisture, allowing you to place it outdoors. This breathtaking foil balloon comes in a rose gold finish. With a self-sealing valve, this graduation balloon avoids leakage of air or helium. To speed up the decorating process, use a pump to inflate this letter balloon. The built-in hanging loop of this birthday balloon makes it hangable on any surface. This party balloon can be inflated up to 40 inches. 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) is available and sold separately.