These earrings are made of hypoallergenic stainless steel; It is lead-free and nickel-free; It won't tarnish or change color. The earrings are lightweight, making them comfortable to wear. The earrings come packaged in a jewelry box, ready for gift giving. Teacher jewelry makes a great gift for Christmas, birthdays, Teacher Appreciation Day, or back-to-school. It's a perfect gift for any teacher to show how much you appreciate them.