Although our product is handmade, natural freshwater pearls and 22k gold plated materials over 100% bronze are used in its production. The product is in adjustable form. It is hypoallergenic - does not contain nickel. ATTENTION! Real natural pearls may vary in size and shape depending on their formation. However, when preparing your earrings, care is taken to ensure that the pairs are as harmonious and smooth as possible. MAINTENANCE - To preserve the shine of your jewelry, we recommend that you do not contact any chemicals, strong perfumes or water and keep them airtight after use.