Let your imagination run wild to create decorative accents with our Balloonify Silver Mylar Letter E Balloon. This letter E party balloon pairs well with our other Balloonify number and letter balloons, making it a great choice for your special events. Made from premium metalized polyester, this birthday balloon is durable and can be reused multiple times. This mylar balloon is moistureproof and allows you to use them in humid conditions too. Designed to prevent air leakage, the valve of this metallic balloon seals automatically with the help of its self-sealing function. Using a hand pump, this party balloon can be inflated without the hassle of doing it the traditional way. Featuring an aluminum silver finish, this custom balloon provides a glossy touch at your events. The built-in hanging loop of this graduation balloon makes it easy to hang anywhere. This foil 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.