Athena Jewelry Titanium Series His & Hers Matching Set 5MM / 4MM Titanium Couple Wedding Band Set Ring Key & Lock Pattern with Cubic Zirconia Stone (Size Selectable) (Hers, 5.5) Athena Jewelry Titanium Series His & Hers Matching Set 5MM / 4MM Titanium Couple Wedding Band Set Ring Key & Lock Pattern with Cubic Zirconia Stone Titanium, Laser Cutting and Polishing Technique,Key & Lock Pattern. Comfort Fit, Size Selectable, Comes with a FREE Ring Box. 30-Day Money Back Guaranteed by Athena Jewelry!