Step up the drama at your party with our Balloonify Silver Mylar Number 3 Balloon. Crafted into the shape of the number '3,' this custom balloon is pairable with our other Balloonify number and letter balloons. This moistureproof party balloon's mylar construction ensures a long float life. Once the pump is removed, the valve on this mylar balloon seals itself, avoiding air leakage. This metallic balloon is also reusable. The easily inflatable form of this graduation balloon allows you to fill it with a hand pump. This number balloon with a silver foil finish is ideal for a silver-themed party. The hanging loops of this birthday balloon enables it to be hung from ceilings or walls. Measuring 40 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.