Black Ceramic Ridged Edge 8mm Brushed and Polished Band This Expertly Designed Jewelry: Rings are Manufactured with Percision in the Country of CHINA Made of Ceramic and featuring these Amazing Attributes; Polished Engravable Brushed Ceramic Ridged edge. List of Specifications: Finish:Polished & Brushed; Band Width:8 mm; Material: Primary:Ceramic; Ring Fit:Comfort; Sizeable:No; Thickness:< 2.5 mm; Item Weight U/M:gm; Width of Item:8 mm; Engravable:Yes; Packaging:Gift Pouch; Product Type:Jewelry; Jewelry Type:Rings; Sold By Unit:Each; Gender:Unisex; Material: Primary - Color:Black; Ring Type:Wedding Bands; Edge Type:Ridged; Ring Shape:Flat.