Prepare your guests to be dazzled with our Balloonify Gold Mylar Letter M Balloon. Compatible with our other Balloonify letters and numbers, this M-shaped foil balloon is great for indoor and outdoor events. The premium mylar material of this birthday balloon lets it withstand heat and moisture for efficient use. This cute mylar balloon comes with a dazzling gold finish. Conveniently hangable, this graduation balloon comes with a hanging loop to decorate your walls. The self-sealing valve locks in the air, letting this custom balloon stay in shape. To ease the decorating process, quickly inflate this happy anniversary balloon with the help of a hand pump. Measuring 40 inches when inflated, this reusable letter balloon can be filled with air or helium. 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.