Make your anniversary banquet stand out with our Balloonify Silver Mylar Letter H Balloon. Designed like the letter H, this birthday balloon pairs well with other Ballooonify numbers and letters. This letter balloon is moistureproof and can be used in damp and humid conditions. Made from premium mylar, this party balloon is durable and reusable. The self-sealing valve of this balloon decoration avoids air leakage. This graduation balloon can be easily expanded using a hand pump. Conveniently choose from hanging or floating the balloon, as this custom balloon is suitable for air and helium inflation. The built-in hanging loop of this helium balloon lets you hang it on hinges effortlessly. Featuring a sleek silver finish, this giant balloon adds a stylish touch to your party decor. This happy anniversary 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.