Upgrade your new year's or birthday party with our Balloonify Black Mylar Number 0 Balloon. Made into the shape of a number 0, this mylar number is pairable with other Ballonify numbers and letters to display heartwarming messages. Crafted with mylar, this party balloon does not get affected by moisture. This reusable number balloon is highly durable to reliably reuse as many times as desired. With a self-sealing design, this birthday number balloon is very easy to use. To inflate this helium balloon, simply use a hand pump. Featuring an aluminum black foil finish, this big number balloon complements all kinds of decor. Built with a hanging loop, this giant number balloon can be hung on any wall to be the center of attention. This mylar number balloon measures 16 inches in length, great for any event. 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 remove the risk of over-inflation. Electric air balloon pump (SKU: RWP1061) sold separately.