Sterling Silver Blue Swarovski Elements Round Stud Earrings Simple and Beautiful, the perfect combination Made in High-Quality Hypoallergenic, Nickle and Lead Free 925 Sterling Silver, with a Glimmering Rhodium Plating for Shine and Protection. These earrings are adorned with blue shimmering Swarovski Crystal and have a 10 mm long post and Butterfly backings. Comes beautifully packaged and ready for gift-giving! Shop with confidence. 100% satisfaction guaranteed.