Make your parties more fun with our Balloonify Silver Mylar Letter J Balloon. Shaped as the letter "J", this party balloon, when paired with other Balloonify letters and numbers, creates the ideal decoration for parties. Made up of mylar, this silver balloon has high tensile strength and is moistureproof to ensure that humidity won't shorten its float life. This letter balloon is sturdy and reusable, making it suitable for use at numerous catered events like birthdays, weddings, baby showers, engagement parties, and many more. Featuring a self-sealing design, this floating balloon doesn't let air escape, increasing its longevity. This alphabet balloon can be inflated easily with helium or air using a pump. The built-in hanging loop in this helium balloon allows the decorators to assemble creative balloon displays for walls and ceilings with ease. With its silver finish, this metallic balloon adds a sleek and contemporary look to your events. Each mylar balloon measures 16 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.