What a way to brighten their day! Our 18" You Rock! Sparkle Black Mylar Balloon is the perfect addition to any gift array - birthdays, get well, congratulations and more! This diamond shaped mylar balloon features sparkly holographic "You Rock!" text against a solid black background. A great option on its own, or you can add other mylar and latex balloons for a bright bouquet or centerpiece! Sold uninflated.