At Whitehouse Brothers we offer one free resizing within 45 days of purchase to make sure your ring fits just right. We will provide you with insured shipping labels both ways as well! Simply contact us regarding your order and we will arrange to have your ring(s) shipped to our location for resizing. Typical turnaround time is around 7-10 business days. Please note: Eternity rings cannot be resized after purchase, please verify size before purchase to prevent issues with fitment. We are happy to provide complementary ring sizers with all home try-on kits, or you can contact us to have one sent directly to you! If you have any questions, please do not hesitate to email us or call at 800.543.1070.