Materials-  18K Gold rectangular post, polymer clay  Earring card is 2.5"x2.5" Quality Policy-  Desert Sage & Clay creates handmade jewelry. The nature of handmade products means that no two items are exactly the same. Please understand that slight variations may occur, and what you receive may look slightly different (and hopefully even better!) than the photo in the listing. We strive to give accurate pictures and descriptions of all products.  Desert Sage & Clay earrings are made with polymer clay, nickel-free earring posts, backs, and hardware, meaning they are totally safe for sensitive ears.