Made of Fresh Clear crystal and Zinc Alloy, Lead-Free & Nickle-Free, passed Swiss SGS Inspection Standard, no harm to health. unique and mysterious square Crystal, The four edges and corners represents courage, beloved, cherish and love. The flashing light symbolizes the flame of happiness. cz Clip On earrings, Good Jewelry for All Occasion, Wearing it,You Will Be Always the Most Eye-catching and Charming one. Best Fashion Jewelry Anniversary Wedding Earrings for her; Also a best gift for birthday and Valentine’s Day. Pack with beautiful jewelry box,Any question, please feel free to send email to us, we will reply you within 24 hours!