Make your kids' birthday party stand out with our Balloonify Pink Mylar Number 8 Balloon. Featuring the number 8 design, this party balloon can be paired with our other Balloonify numbers and letters, making it ideal for your birthdays and special events. Designed from mylar, this graduation balloon is durable for using and reusing. This number balloon is moistureproof, making it float for a long time without getting disturbed by wind or humidity. With a self-sealing design, this birthday balloon seals automatically, avoiding air leakage. This balloon decoration can be easily inflated with air, using an air pump, or helium. With a super thin layer of aluminum, this custom balloon gives a glossy finish. Featuring a cute pink finish, this helium balloon exudes a warm shade, making it ideal for all your parties. Easily hang this mylar balloon using the built-in hanging loop. This happy anniversary balloon measures 16 inches in length. 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.