This 8mm band has a satin finished flat center set off by polished ridged 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. R10448 Cobalt, comfort fit design suitable for engraving Shatterproof, scratch-resistant, hypoallergenic 8mm, satin band with polished ridges Average weight is 10.08 grams Includes a custom Black Bow Jewelry Company gift box