King Will Loop 7mm Thin Blue Line Black Tungsten Carbide Wedding Ring Engagement Band Comfort Fit Genuine Tungsten Carbide with tremendous craftmanship, made this ring awesomeness The collocation of blue and black is never out of date, make you out of ordinary. Nice choice for your couple ring replacement, nice gift to you companion, friends, parents and yourself. King Will's Jewelry box, save your giftwrap service fee, and help you store the ring much safer & longer. If you have any question, please post into "Customer Questions & Answers" at the bottom of this page.