Sweep your guests off their feet using our Balloonify Silver Mylar Letter Z Balloon. To create customized phrases, this Z-shaped letter balloon pairs with other Balloonify numbers and letters. The mylar construction of this balloon decoration makes it moistureproof and reusable. With a self-sealing valve, this metallic balloon doesn't let air or helium escape. Hang this letter balloon using the built-in hanging film to decorate your walls. Inflate this party balloon with air or helium using a pump. To make your decorations unique, this custom balloon comes in a beautiful silver shade. This balloon decoration measures 40 inches when inflated. 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) sold separately.