Decorate your party with style using our Balloonify Gold Mylar Letter M Balloon. Fashioned in the shape of "M," this custom balloon combines with other Balloonify numbers and letters to curate different messages. This mylar balloon is durable and moistureproof, making it apt for both indoor and outdoor events. With a self-sealing design, this letter balloon seals itself automatically once inflated to avoid air leakage. This helium-quality balloon comes in a beautiful gold finish that gives a royal look to your party setting. Hang this reusable letter balloon on walls or ceilings to create decor according to your style. Measuring 16 inches when inflated, this foil balloon can be filled with air using a hand pump. 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.