This 8mm band has a satin center set off by the ridged design and polished rounded edges. A trendy contemporary style created from cobalt, a silvery-white bio-friendly metal with uncompromising strength that will not chip or crack, is scratch resistant and hypoallergenic. Suitable for engraving. R10446-095 Dura Cobalt, comfort fit design Shatterproof, scratch-resistant, hypoallergenic Satin center with polished rounded ridged edges Suitable for engraving Includes a custom Black Bow Jewelry Company gift box