Light up the faces of your guests with our Balloonify Silver Mylar Letter Z Balloon. By pairing it with other Balloonify letter and number balloons, you may use this Z-shaped party balloon to enhance celebrations. This letter balloon's mylar construction makes it unaffected by heat and moisture, extending its float life. The robust design of this birthday balloon allows for reuse, promoting sustainability. A self-sealing valve is built-in with this metallic balloon to limit unintentional air leaks. To make the inflation process simple, use a hand pump to fill this mylar balloon to the maximum easily. This graduation balloon's aluminum silver finish blends well with a variety of decorations. Use the balloon's built-in hanging loops to hang it from ceilings and walls. Measuring 16 inches in length, this foil balloon can be inflated with air or helium. To reuse this balloon, 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.