Make your party shine and shimmer with our Balloonify Rose Gold Mylar Letter M Balloon. Customize your phrases by using this M-shaped party balloon with our other Balloonify numbers and letters. Made from premium mylar, this custom balloon is moistureproof, having an increased float life even in humid conditions. With a self-sealing valve, this graduation balloon doesn't let air or helium escape. To decorate your walls, easily hang this helium balloon with the built-in hanging loop. Designed with a rose gold finish, this reusable foil balloon makes every event remarkable. When inflated, this mylar balloon measures 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.