Highlight your disco-themed party with our Balloonify Silver Mylar Letter B Balloon. Pair this B-shaped birthday balloon with other Balloonify numbers and letters to make custom name tags. Made from premium mylar, this number balloon is moistureproof to avoid getting soggy in humid conditions. The durable design of this party balloon ensures you can reuse it on multiple special occasions. To maintain a firm shape throughout the event, this balloon decoration features a self-sealing valve. For a seamless inflating process, this graduation balloon can be blown up using a hand pump. This custom balloon is suitable for air and helium inflation. With a lustrous silver shade, this helium balloon oozes a stylish finish to your overall party decor. Built in with a hanging film, this happy anniversary balloon can be easily hung on walls with other balloons to create a beautiful garland. This silver 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.