All earrings are handcrafted and assembled in Southern New Jersey. Since this is a handmade items, slight variations are possible. Polymer Clay is a lightweight and durable material, guaranteed to last with proper care. Do not submerge in water, place in hot areas for long periods of time, avoid chemicals, and store properly when not in use. Jewelry findings come in silver and gold and are hypoallergenic making them great for sensitive ears.