St. Joseph of Cupertino is the patron saint of aviation, astronauts, and students. He was a Franciscan friar and tradition holds that he had the ability to levitate during prayer. The chain is made of a silver colored alloy metal and you can choose 18in and/or 24in lengths. It contains a silver colored airplane charm and a Saint Joseph of Cupertino medal, made in Italy with the words "PRAY FOR US" on the back.