Thank you for seeing the products of GENAC ROUE. The material difference (brass) of the same design is sold on another page. https://jp.pinkoi.com/product/UCtfJQiX Material Body · post · catch: silver 925 specification Binaural earrings SIZE Body: Diameter of about 18.5 mm Thickness of about 1.5 mm Post: 0.95 mm It has a catch that is hard to come off with silicon inside. Silver gradually turns black as you use. A unique deep texture that changes naturally is one of silver's charms, If you are concerned about darkening, you can regain the original sparkle by polishing with a polishing cloth enclosed. We will ship items in a special box. If you have any other concerns, please do not hesitate to contact us anything! Purchase notes ● 1 point 1 point We are producing by hand, so detailed details may differ from the photos. ● Please confirm the "size" and "material" of the work before purchase sufficiently. ● There is also a part where coloring and texture can not be expressed with images. Please be forewarned that there may be some difference in the image between the actual product and the image. Please note those who have felt metal allergy in silver ●. [About silver products] · When exposed to air for a long time, the color changes black. · Do not wear when going to a place with sulfur ingredients like a hot spring, a swimming pool, a beach. · If you paint cosmetics after wearing accessories or sprinkle perfume, discoloration may be suddenly discolored Please be careful. · You can remove black spots by polishing the product with a polishing cloth that we will send together. (Please be aware that products may be damaged if you apply excessive force when polishing.) · If you do not use for a long time, please wipe sweat or foreign matter well, then store it in a plastic bag etc. where air is blocked.