The Super Bowl is the annual championship game of the National Football League the highest level of professional American football in the world. The game is the culmination of a season that begins in the late summer of the previous calendar year. Super Bowl Sunday has become an unofficial holiday in the United States. It’s a day when families and friends gather to watch the game, the over-the-top commercials, and big-name musical acts at halftime. To celebrate the day make sure to send this card to Super bowl lovers and day Super Bowl Sunday.