Mesmerize your guest's attention by using our Balloonify Gold Mylar Letter D Balloon. Customize your name tags with this birthday balloon shaped like the letter D and other Balloonify numbers and letters. The number balloon is made of premium mylar that is moistureproof to avoid sogginess during humid weather. Its durable design allows you to reuse it for many special occasions. The balloon decoration has a self-sealing valve in order to maintain its shape throughout the event. By using a hand pump, you can inflate this graduation balloon smoothly. This mylar balloon can be inflated with air or helium. With a hanging loop built-in, this happy anniversary balloon can easily be hung on walls with other balloons. This helium balloon features a glossy gold shade that will add style to your party decorations. 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.