Captivate your guests at your anniversary dinner with our Balloonify Pink Mylar Number 7 Balloon. Featuring a number 7 shape, this party balloon can be paired with other Balloonify numbers and letters. Designed from mylar, this number balloon is moistureproof and can be used in humid conditions. The durable party balloon can be reused several times. This balloon decoration is self-sealing, locking in the air to give the balloon a firm shape. Inflate this graduation balloon with a hand pump to avoid hassles and save time. With the built-in hanging loops, you can easily hang this custom balloon. Expand this mylar balloon with air or helium. With a sleek pink finish, this mylar balloon oozes metallic shine at your parties. This pink mylar balloon measures 40 inches in length. 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.