Set a perfect way to add a touch of luxury to any celebration with our Balloonify Gold Mylar Number 0 Balloon. Combining this party balloon in the shape of the number 0 with our other Balloonify number and letter balloons, you can create congratulatory messages. This mylar balloon is highly durable, withstands heat, and is moistureproof, making it ideal for outdoor use. With a long float life, this number balloon is reusable. Once inflated, this birthday balloon retains its shape throughout the event with the help of its self-sealing valve. To avoid the hassle of blowing this metallic balloon yourself, use a hand pump to inflate it. This custom balloon features an aluminum gold foil shade to match your gold-themed engagement party. Hang this graduation balloon on walls with the built-in hanging film. Measuring 40 inches in length, this foil balloon can be inflated with air or helium. To reuse these balloons, gently deflate, properly store, and carefully reinflate without overfilling. Shipped deflated in a 1 count box.