Surprise your patrons with a castle theme decor with our Balloonify Gold Mylar Letter B Balloon. Featuring the letter B design, this party balloon can be paired with our other Balloonify numbers and letters, making it ideal for your special events. Produced from mylar, this number balloon is moistureproof, allowing you to use it in humid conditions. Conveniently reuse this party balloon for various occasions to minimize your carbon footprint, facilitating sustainability. With a self-sealing valve, this party balloon ensures maximum float life, avoiding air leakage. Expand this balloon decoration using a hand pump to speed up the process. This custom balloon is suitable for air and helium inflation. Embellished with a regal gold undertone, this helium balloon exudes a classy touch to your event decor. The built-in hanging loop makes hanging this custom balloon a breeze. This gold mylar balloon measures 40 inches in length. 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.