Add a touch of glam with our Balloonify Black Mylar Letter F Balloon. Easily create a striking banner by attaching this F-shaped birthday balloon with other Balloonify letters and numbers. With its mylar structure, this letter balloon is moistureproof, making it perfect for damp weather situations. For use on numerous catered occasions, this birthday balloon is durable and reusable. The self-sealing valve of this balloon decoration latches the air in from exuding, creating a firm shape. To avoid hassle and save time, extend this graduation balloon using a hand pump. Conveniently inflate this custom balloon with air or helium according to your liking. Embellished with a silkier black undertone, this helium balloon exudes a classy touch to your event decor. The attached hanging loops allows you to hang this mylar balloon on walls and ceilings. This black mylar balloon measures 40 inches in length. To reuse this balloon, 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.