This is auspicious language or pattern, which means that many children are blessed and children will live a long life. This often appears on rulers used for sewing in the past, because rulers are one of the so-called "wedding nine treasures bands". People give it to newlyweds, which means that there are hundreds of children and grandchildren, and happiness goes back to ancient times. It is also a blessing for the newlyweds to step up their lives and careers in the future.