These earrings are one of Sigfus Designs signature earrings and have been a Sigfus fan favorite for years! They are made of polymer clay, they are light on the ear and finished with titanium, nickel-free ear posts. All earrings are designed and made in the Sigfus Designs Arizona studio. Please mind the handmade nature of the jewelry, slight variations may occur compared to the picture. Please do not wear in water or get wet as it could jeopardize the longevity of your earrings. Polymer clay is very durable but try not to bend. To clean use a damp cloth and acetone or a Clorox wipe. Store in a safe place to not bend or scratch. Sigfus earrings are light on the ear and finished with hypo-allergenic titanium posts which are nickel-free. All earrings are designed and made in an Arizona studio. Please mind the handmade nature of all Sigfus jewelry, slight variations may occur compared to the picture. For polymer, if it is a solid color with no inclusions, clean with a damp cloth and a tiny amount of nail polish remover. If it has foil or any other extras like sand or texture, please just use a little water and a cloth. Do not wear in water or get wet as it could jeopardize the longevity of your earrings. Polymer clay is very durable but try not to bend or it can snap. All of our earrings have been double re-inforced on the posts, making sure they will never pop off.