This Black & Gold Metallic Balloon 18" is the perfect way to celebrate any adult birthday in style. The mylar balloon features a fun gold and white striped design overlapped with decorative text reading "Happy Birthday". It comes in a package of one and measures 18" in diameter. With discount pricing, this balloon is ideal for event planners, caterers, and home hostesses alike. It's part of the our store Adult Birthday Party Themes, and is perfect for a Black & Gold Birthday Theme. Make any adult birthday special with this Black & Gold Metallic Balloon 18", Happy Birthday.