Hypoallergenic & Nickel Free — 18k Gold Plated Earring Hoops (25mm) important: please be aware of metals and materials prior to purchase as we cannot accept returns/exchanges due to sanitary reasons. 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. detailed care instructions are included with every purchase!