Feature:100% Brand new and high qualityStyle: TrendyShape/ Pattern: Geometric Material:Titanium SteelRing Width: 8mm (0.31 inches)Proccessing: wiredrawingNote:Due to the different monitor and light effect, the actual color maybe a slight different from the picture colorPlease allow 1-4mm differs due to manual measurementDue to different hand shape, the size suitable may vary from person to person, charts are just for reference, please measure your fingers first before buyingPlease do not expose to chemicals Please do not wear when bathing or sweatPlease do not scratch itPlease remember to take it off when going to sleep Please wipe it with soft cloth in daily caresUSA Size:6 Circumference:52mm Diameter:16.5mmUSA Size:7 Circumference:54.7mm Diameter:17.3mmUSA Size:8 Circumference:57mm Diameter:18.2mmUSA Size:9 Circumference:60mm Diameter:19mmUSA Size:10 Circumference:62.4mm Diameter:19.8mmUSA Size:11 Circumference:65mm Diameter:20.6mmUSA Size:12 Circumference:67.5mm Diameter:21.5mm