Take your event decoration to the next level with our Balloonify Black Mylar Letter F Balloon. This letter balloon is designed as the letter F to perfectly match our other Balloonify letter and number balloons, making it ideal for your party decor. Thanks to its mylar construction, this birthday balloon is durable and can be used several times. Plus, this party balloon is moistureproof, which increases its float time. The self-sealing valve stops air from escaping from this graduation balloon. This reusable custom balloon can be easily inflated with air or helium, allowing the balloon to expand completely. The built-in hanging loops of this metallic balloon allows you to hang them on the wall and ceiling easily. Glossed with a metallic black finish, this mylar balloon gives a classy look to your party. This foil balloon measures 16 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.