The design shows a yellow quack duck with an Irish hat and a shamrock. In addition, the saying “Quack Quack Good Luck”, as a good omen for St. Patrick’s Day. The shamrock is supposed to bring good luck and the whole design is cute, even for children. So if you celebrate Saint Patrick’s Day, the day of thanksgiving in Ireland, and want to wish others luck, you can do so with this great product. It’s a fun way to wish good luck. This Quack Quack Good Luck St. Patrick’s Day Duck Shamrock Hat item is designed by klamottn.