Material: Ear pins: natural mother-of-pearl plated 18K gold Earrings: AB color transparent glass beads, Swarovski plated drop-shaped cut crystal beads https://img.alicdn.com/imgextra/i4/10007618/O1CN01eDIHls2695lttApb3_!!10007618.jpg https://img.alicdn.com/imgextra/i1/10007618/O1CN017NQdLY2695ltNgpRT_!!10007618.jpg https://img.alicdn.com/imgextra/i2/10007618/O1CN01L15hUw2695lrlF67U_!!10007618.jpg https://img.alicdn.com/imgextra/i1/10007618/O1CN0185p9SB2695loV2zU0_!!10007618.jpg https://img.alicdn.com/imgextra/i4/10007618/O1CN01rE7n9e2695lnbBevp_!!10007618.jpg size: Full length about 7.5 cm Manual measurement will have 1-2mm error, please understand Maintenance method: Please do not touch the water. If you need water, please remove it in advance. Sweat, perfume or cosmetics may cause the product to oxidize. It can be wiped and stored with a silver cloth or glasses cloth before and after wearing. Afterwards, it is placed in a cool dry place, especially in the south, where friends often encounter damp weather and can put a small packet of desiccant when putting jewelry.