This wedding/engagement ring has a brushed sterling silver exterior, polished sterling silver core, and features a ebony wood center inlay. This ring takes approximately 3 weeks to make. The width is 8mm. Select your ring size ( US sizes) from the drop down menu. Please make sure your size is correct at the time of ordering as this ring cannot be resized. Your ring will ship by Express courier. Allow 4-7 days shipping time.