HIGH QUALITY MATERIAL-Mens' cufflinks are made with stainless steel which are allergy free, anti-tarnishing, scratch-resistant. They does not readily corrode, rust, or stain with water. Nickel and lead free. Never won't fade so your skin turns green. MAIN FEATURES: ☝MENS CUFFLINKS SET-12 Pairs cuff links package in a order, mens cufflinks adopt round and square design. ✔