Tungsten Carbide Rings for Men High Polished Black Wedding Bands with Beveled Edges Material:Tungsten Carbide.Very hard to deform or scratch. High polished inner surface,comfor fit. Cobalt Free and No Allergy Reactions. Come with free box.Saving your giftwrap service fee, and help you store the ring much safer and longer. Life Time Warranty.If you have any question, please feel free to contact us or just post it in the part of "Customer Questions & Answers" below the page, you will get the answer by us or buyers as soon as possible. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!