MATERIAL- We adopt 18k platinum plating on premium copper.High polishing is adapted to improve the shine and reflection of jewelry Which brings personality and special charm to the jewelry.All of our bracelets use prong setting, not glue setting,that makes products more bling shine and assures no stone falling. The simulated diamond tennis link bracelet for men sets with round bling 5mm AAA+ Cubic Zirconia stones,which are totally clean and transparent, similar sparkly with real diamonds.