* Stainless Steel Ball Posts * Hypoallergenic & Nickel Free handmade polymer clay hoop earrings: please be aware of metals and materials prior to purchase. all earrings with stud posts are secured with a thin layer of uv-resin on the back for strength. due to the nature of handmade items, minor variations in shape, pattern, color, or texture may occur. polymer clay can be somewhat durable, but our jewelry should always be handled with care.