Item Name: Men RingMaterial: AlloyColor:Silver,GoldRing Type: Simple,CoolShape\pattern: GeometricGender: Men,WomenOcassion: Engagement, Birthday Gift,AnniversityGift for: Boy friend / FriendsPackage include:1pcs RingsSize:6: inner diameter 16.5mm, circumference 54mm;7: inner diameter 17.3mm, circumference 56mm;8: inner diameter 18.3mm, circumference 58mm;9: inner diameter 18.8mm, circumference 62mm;10:inner diameter is 19.3mm, circumference 64mmNotice:1.Please allow 1-5mm error due to manual measurement.Pls make sure you do not mind before you bid .2.The colors may have different as the difference display,pls understand.