It is a good gift for your lover,family,friend and coworkers

Make you charmer and elegant

Material:Alloy

Size Inside Diameter  Inside Circumference 

5  15.7mm/0.62inch 49.3mm/1.94inch

6 16.5mm/0.65inch 51.9mm/2.04inch

7 17.4mm/0.68inch 54.5mm/2.15inch

8 18.2mm/0.72inch 57.2mm/2.25inch

9 18.9mm/0.75inch 59.3mm/2.35inch