Brand New & Authentic 925 Sterling Silver 925 Sterling Silver Cubic Zirconia Stud Earrings with Rhodium Push Back Earrings The post length is 10.5 mm. Available in following sizes: 2mm - 12mm We guarantee that our product is 925 Sterling Silver. We have a 30 Day Return Policy FREE SHIPPING!! We Ship from New York City Questions and Returns Please message us for any questions related to our items and we will answer as soon as possible. Please let us know if there is a problem with our item(s) before leaving a NEGATIVE FEEDBACK. We always try to work and resolve out problems with our BUYERS. Thank You and We Appreciate Your Business Item # SPE(10-20)