Dazzle everyone at the party using Balloonify Silver Mylar Number 6 Balloon. This number balloon is shaped as "6" and can be merged with other Balloonify numbers and letters. The premium mylar material of this custom balloon makes it sturdy and long-lasting, allowing you to reuse the balloon on multiple occasions. To blend with all your themed parties, this helium balloon comes in a metallic silver shade. The self-sealing design of this party balloon makes it airtight, avoiding any deformation in size or shape. Conveniently use this party balloon outdoors, as it is unaffected by heat or moisture. Hang this anniversary number balloon anywhere on the wall or ceiling with the hanging loop provided. Measuring 16 inches when inflated, this birthday number balloon can be filled with air or helium. 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.